Sterling Silver Magnifying Glass Pendant Necklace Auction
Upcoming AuctionsAuctions Near MeHow Auctions Work
|
HelpNewsConsignPrice Results
LiveAuctioneers Logo
Art
Jewelry
Asian Antiques
Furniture
Collectibles
Coins
Home & Décor
Fashion
Explore Categories

Art
Artists
Popular Searches
Browse by Origin
California & American Fine Art
John Moran Auctioneers, Inc.
Sponsored.Your ad here?

Jewelry
Featured
Popular Searches
MAGNIFICENT JADE JEWELRY AND ANTIQUES SALE.
Artingstall Auctioneers 1874
Sponsored.Your ad here?

Asian Antiques
Browse By Origin
Featured
Day-2 REMARKABLE CHINESE ANTIQUE & FINEART
Wilmington Gallery
Sponsored.Your ad here?

Furniture
Tables
Seating
Cabinets & Storage
Browse By Styles
Featured
Discovery- Interiors
Bonhams
Sponsored.Your ad here?

Collectibles
Western and Contemporary Native American Art
Freeman's | Hindman
Sponsored.Your ad here?

Coins
Browse By Origin
Featured Coins
May Fortune Favor You Auction
Florida Estate Sales Inc.
Sponsored.Your ad here?

Home & Décor
Featured
Modern Design Featuring the Pinhas Collection of D
Bonhams
Sponsored.Your ad here?

Clothing
Accessories
Featured Designers

lots of lots
View Auction
Home & Décor
Decorative Objects
Desk Accessories
Magnifying Glasses
Previous
Lot 0274
Next
item-176343156=1
item-176343156=2
item-176343156=3
item-176343156=4
item-176343156=5
item-176343156=6
Sterling Silver magnifying Glass Pendant Necklace
Sterling Silver magnifying Glass Pendant Necklace
Item Details
Description
Vintage sterling silver necklace with marcasite decorated magnifying glass pendant. Marked 925 on clasp and pendant. Drop length approx. 14.5 inches. Pendant measures approx. 2.25 inches long. Total weight 20.4 grams. Some surface wear including scratching observed. Estate jewelry, fine jewelry, cocktail jewelry, fashion jewelry, accessories, fashion accessories, wearables, gifts, sterling silver, sterling silver necklace, sterling silver pendant, magnifying glass pendant, magnifying glass necklace, marcasite pendant, vintage jewelry, 10 j
Buyer's Premium
  • 29%

Sterling Silver magnifying Glass Pendant Necklace

Estimate $50 - $100
Current Price (5 bids)

$25

Starting Price $1
14 bidders are watching this item.
Get approved to bid.
Shipping & Pickup Options
Item located in Mount Kisco, NY, US
See Policy for Shipping
Local Pickup Available
Payment
The Benefit Shop Foundation Inc.

The Benefit Shop Foundation Inc.

Mount Kisco, NY, United States
2,611 Reviews
22,543 Followers

May 15 Red Carpet Auction

May 15, 2024 10:00 AM EDT|
Mount Kisco, NY, USA
View Auction
Vtg Stamped Sterling High Heel Pin Cushion: Vintage high heel pin cushion. Stamped on underside Sterling and other metals, with hallmarks. Approx 2 inches tall and 3.5 inches long. Moderate wearing to sterling body and evident wearing to
May 15, 2024Vtg Stamped Sterling High Heel Pin Cushion
$10
1929 Pop Eye Dime Coin Bank: Marked 1929. Pop eye dime register bank with an image of Pop eye on the front with a deposit window. Made of tin, possibly aluminum. Corners of bank have heads of the other characters from the
May 15, 20241929 Pop Eye Dime Coin Bank
$25
Signed Vtg Turkish Anatolian Handmade Wool Rug: Rug appears to be signed. Rug is handmade and wool. Piece is vintage. Rug has intricate multi toned geometric detail. Rug is Turkish Anatolian. Rug has cream toned edges . Rug measures
May 15, 2024Signed Vtg Turkish Anatolian Handmade Wool Rug
$25
Vtg Cast Iron Pig Coin Bank: Vintage cast iron pink coin bank, resembling a sitting pig with a coin slot on the back of the pig. Approx 3 inches tall and 5 inches long Moderate discoloration to surface of the iron and
May 15, 2024Vtg Cast Iron Pig Coin Bank
$15
Karl Brandstatter Sgd Abstract Figural Engraving: Signed on lower right corner in graphite, Brandstatter, numbered 51/120 Depicts three female figures standing together in front of a dark taller feminine figure. Framed in a silver toned Metal
May 15, 2024Karl Brandstatter Sgd Abstract Figural Engraving
$1
Dell Comics The Green Hornet #496 1953: Dell Comics Four Color Series The Green Hornet issue number 496. Only issue in the Four Color Series to feature The Green Hornet. Illustrated in color. Published by Dell Publishing, 1953.
May 15, 2024Dell Comics The Green Hornet #496 1953
$10
Vintage Asian Apothecary Chest W/ Butterfly Motif: A vintage wooden Asian apothecary / medicine chest featuring a butterfly motif. Carved Asian characters across each drawer. Eighteen drawers and two doors which open to reveal more storage
May 15, 2024Vintage Asian Apothecary Chest W/ Butterfly Motif
$25
Set 5 Vntg Metal Sun Motif Outdoor Table & Chairs: A vintage outdoor patio set consisting of four chairs and one table. Chairs and table base are crafted from metal and feature a black hued finish. Wavy and scrolled metalwork to the chairs. The
May 15, 2024Set 5 Vntg Metal Sun Motif Outdoor Table & Chairs
$1
JOHN WIDDICOMB Mid Century Modern Dresser: John Widdicomb Mid Century Modern Walnut and Brass 9 Drawer Lowboy Dresser. Tapered feet. Dovetailing to the drawers. Interior of drawer reads JOHN WIDDICOMB. Partial tag to reverse reads JOHN
May 15, 2024JOHN WIDDICOMB Mid Century Modern Dresser
$3
Vintage ACF Hand Painted Japanese Porcelain Bowl: Vintage ACF hand painted Japanese porcelain bowl with landscape and pagoda motif in blue and white. Signed to underside. Measures approx. 14.25 x 6.5 inches. Piece has weight. Some surface wear
May 15, 2024Vintage ACF Hand Painted Japanese Porcelain Bowl
$1
Walt Disney Davy Crockett Comic Book Issue639 1955: Dell Publishing Walt Disneys Davy Crockett At the Alamo Comic book , c. 1955 issue 639. 10.25 x 6.75 in. Maintained in a cellophane sleeve. Dell publishing Davy Crockett At the Alamo comic book,
May 15, 2024Walt Disney Davy Crockett Comic Book Issue639 1955
$2
Collectible THE MONKEYS July 1967 Comic Book: Dell Comics, The Monkeys July 1967 issues no. 3 , Dell publishing. In plastic slip. 10.25 x 6.75 in. The Monkeys comic, Dell comics, mid century The Monkeys comic book, July 1967 # 12-533-707 The
May 15, 2024Collectible THE MONKEYS July 1967 Comic Book
$15
Vintage Enamel & Wood Desk Globe 12in: Vintage standing desk globe. Enameled Metal globe with carved wood stand. Measures approx. 4.5 x 12 inches. Some surface wear including scratching observed. Globe, desk globe, standing globe,
May 15, 2024Vintage Enamel & Wood Desk Globe 12in
$1
Puck 1897 Antq Political Cartoon: Copyright 1897, By Keppler & Schwarzman. Marked Puck on upper margin, and reads Spains new street crier, with the same old cry, depicts the crier marked Sagasta holding a paper reading that the
May 15, 2024Puck 1897 Antq Political Cartoon
$10
STICKLEY Set Vtg Leather Armchair & Ottoman: Armchair & ottoman are trademarked STICKLEY. Each piece is brown toned & leather. Undersides have dark brown toned wooden feet. Armchair measures approximately 36 inches tall 38 inches wide 39
May 15, 2024STICKLEY Set Vtg Leather Armchair & Ottoman
$1
UPTON FURNITURE CORP MCM Chrome Uph Side Chair: Tag reads UPTON FURNITURE CORP. Chair is mid century modern. Chair has chrome frame. Piece is upholstered with plaid style, maroon, yellow, & white toned fabric. Possibly custom Upholstered.
May 15, 2024UPTON FURNITURE CORP MCM Chrome Uph Side Chair
$1
Antique French Provincial Uph Wood Arm Chair: Louis XV style Bergere. Chair appears to be antique possibly vintage. Piece has tan toned wooden frame with green toned upholstery. Areas of upholstery have double welting. Areas of armrest are
May 15, 2024Antique French Provincial Uph Wood Arm Chair
$1
DESIGN BY DIRECTIONAL MCM Uph Armchair: Tag underneath cushion reads DESIGN BY DIRECTIONAL. possibly Milo baughman design. Piece is Upholstered in maroon toned fabric appears to be crushed velvet. Chair has waterfall style armrests. Chair
May 15, 2024DESIGN BY DIRECTIONAL MCM Uph Armchair
$1
United Chair Co Pr Leather & Metal Mid Century Chairs: Industrial modern chairs, detailing also includes circular chrome pad feet and rear splayed legs Tags read UNITED CHAIR CO. Each chair has tan toned metal frame with light brown toned leather
May 15, 2024United Chair Co Pr Leather & Metal Mid Century Chairs
$1
Set 4 Uph Wooden Tufted Side Chairs: Lot includes 4 chairs. Each have brown toned frames which appear to be wooden possibly veneer. Chairs each have slate toned upholstery. Chairs each have 4 legs, side legs have stretchers in between.
May 15, 2024Set 4 Uph Wooden Tufted Side Chairs
$1

Related Magnifying Glasses

Chanel Vintage Magnifying Glass Pendant Necklace: Chanel Vintage Magnifying Glass Pendant Necklace. Fully Marked. Condition: Generally Good. Dimensions: Chain-L-35". Pendant-Dia-1.5". Provenance: From a Long Island, NY Home. Please note the absence o
May 19, 2024Chanel Vintage Magnifying Glass Pendant Necklace
$50
Tiffany & Co Sterling Silver Magnifying Glass: Tiffany & Co Sterling Silver Pocket Magnifying Glass with Etched Bamboo Motif and Hassle on a Hinge. Measures 3 inches long with 1 inch glass in diameter. Precious metal and precious stone carat sizes
May 16, 2024Tiffany & Co Sterling Silver Magnifying Glass
$100
80s Large CC Magnifying Glass Necklace Pendant: 80s Large CC Magnifying Glass Necklace Pendant
May 26, 202480s Large CC Magnifying Glass Necklace Pendant
$2,250
Vintage Gold Tone Floral Magnifying Glass Necklace: This pretty necklace has a round magnifying glass pendant that measures 2.75"L x 2"W. It is on a gold tone chain that measures 30.25"L.
3 days LeftVintage Gold Tone Floral Magnifying Glass Necklace
$10
1 3/4" Brass Magnifying Glass Necklace: 1-3/4" 20" hanging height 37" long chain The 1-3/4" Magnifying Glass on Necklace is a captivating antique reproduction piece that combines elegance and functionality in a single accessory. This intric
2 days Left1 3/4" Brass Magnifying Glass Necklace
$10
Sterling handled magnifying glass: ribbed and shell embossed hollow handle with vintage English touch marks, 10" l. x 4" dia. Condition: tarnish
May 16, 2024Sterling handled magnifying glass
$30
Sterling Handle Magnifying Glass: 5 inches long
6 days LeftSterling Handle Magnifying Glass
$75
80s Chanel Necklace Magnifying Glass: 80s Chanel Necklace Magnifying Glass
May 26, 202480s Chanel Necklace Magnifying Glass
$1,500
RUSSIAN SILVER ENAMEL DIAMONDS MAGNIFYING GLASS WITH LIGHTER INSERTED: RUSSIAN Silver enamel diamonds magnifying glass with lighter inserted. STAMPED AND MARKED COME IN BOX WEIGHT 80 g SIZE 17 cm
5 days LeftRUSSIAN SILVER ENAMEL DIAMONDS MAGNIFYING GLASS WITH LIGHTER INSERTED
$2,000
Authentic Magnifying Chanel Necklace Pendant Charm: Authentic Magnifying Chanel Necklace Pendant, Bag Or Belt Charm
May 26, 2024Authentic Magnifying Chanel Necklace Pendant Charm
$800
(2) CALDWELL & CO. CASED/RENAISSANCE MAGNIFYING GLASSES: LOT (2) CALDWELL & CO. CASED, 5 3/4" X 4" X 1 3/4" (BOX SIZE) & FINE RENAISSANCE SILVER (L. 7") MAGNIFYING GLASSES, 19TH C.
May 18, 2024(2) CALDWELL & CO. CASED/RENAISSANCE MAGNIFYING GLASSES
$35
Cartier Roadster Large Silver Dial: Cartier Roadster Large Silver Dial Creator: Cartier Case Material: Steel, Silver Period: 21st Century Date of Manufacture: 2000- Condition: Excellent Excellent condition. Cartier Roadster Large Silver
1 day LeftCartier Roadster Large Silver Dial
$1
Cartier Roadster Large Silver Dial: Cartier Roadster Large Silver Dial Brand: Cartier Case Material: Steel, Silver Period: 21st Century Date of Manufacture: 2000- Condition: Excellent Excellent condition. Cartier Roadster Large Silv
2 days LeftCartier Roadster Large Silver Dial
$1
Cartier Roadster Large Silver Dial: Cartier Roadster Large Silver Dial Creator: Cartier Case Material: Silver, Steel Period: 21st Century Date of Manufacture: 2000- Condition: Excellent Excellent condition. Cartier Roadster Large Silver
3 days LeftCartier Roadster Large Silver Dial
$1
Cartier Roadster Large Silver Dial: Cartier Roadster Large Silver Dial Creator: Cartier Case Material: Silver, Steel Period: 21st Century Date of Manufacture: 2000- Condition: Excellent Excellent condition. Cartier Roadster Large Silver
Sep 05, 2024Cartier Roadster Large Silver Dial
$1

More Items in Magnifying Glasses

View More
Chinese jade mounted magnifying glass: Chinese jade mounted magnifying glass, Qing Dynasty and adapted (19th/20th c.), China, carved pale celadon jade belt hook handle in the form of two dragons, the back mounted with floral engraved silve
May 16, 2024Chinese jade mounted magnifying glass
$700
Lot of Six Tiffany Studios Desk Pieces: Tiffany StudiosLot Six Desk Pieces; "Pine Needle" Letter Rack & Inkwell, "Grapevine" Rocker Blotter, "Zodiac" Magnifying Glass, and an "American Indian" Notepad & Letter Openerearly 20th centurybronze
May 18, 2024Lot of Six Tiffany Studios Desk Pieces
$450
(2) CALDWELL & CO. CASED/RENAISSANCE MAGNIFYING GLASSES: LOT (2) CALDWELL & CO. CASED, 5 3/4" X 4" X 1 3/4" (BOX SIZE) & FINE RENAISSANCE SILVER (L. 7") MAGNIFYING GLASSES, 19TH C.
May 18, 2024(2) CALDWELL & CO. CASED/RENAISSANCE MAGNIFYING GLASSES
$35
Chinese jade mounted magnifying glass: Chinese jade mounted magnifying glass, Qing Dynasty and adapted (19th/20th c.), China, carved pale celadon jade belt hook handle in the form of a dragon, the back mounted on silver metal, surmounted b
May 16, 2024Chinese jade mounted magnifying glass
$300
Gold Tone Peacock Table Top Magnifying Glass: Gold tone peacock form table top magnifying glass. Embossed raised surface. Measures approx. 3.75 x 2.75 inches. Surface wear including scratching and crack to glass observed. Magnifying glass, peacoc
2 days LeftGold Tone Peacock Table Top Magnifying Glass
$20
VICTORIAN MAGNIFYING GLASS: GOLD PLATED, AND MOTHER OF PEARL VICTORIAN MAGNIFYING GLASS.10" H
6 days LeftVICTORIAN MAGNIFYING GLASS
$50
Vintage Enamel Magnifying Glass: Vintage enameled Metal magnifying glass with figural motif. Appears to be a binocular component. Measures approx. 1.5 x 1.75 inches. Some surface wear including scratching observed. Magnifying glass,
2 days LeftVintage Enamel Magnifying Glass
$30
A WHITE JADE 'CICADA' LETTER OPENER AND A HARDSTONE INLAID MAGNIFYING GLASS Late Qing Dynasty (2): A WHITE JADE 'CICADA' LETTER OPENER AND A HARDSTONE INLAID MAGNIFYING GLASS Late Qing Dynasty Comprising: a white jade pendant in the shape of a cicada mounted on a white metal letter opener; and a sm
A WHITE JADE 'CICADA' LETTER OPENER AND A HARDSTONE INLAID MAGNIFYING GLASS Late Qing Dynasty (2)
£600
(2) Chinese jade handled items: (2) Chinese jade handled items, silver tone mounts, including mirror with back embossed with exotic bird & flowers (4-1/4" dia x 9" l), magnifying glass (3-1/4" dia x 7-1/4" l)
1 day Left(2) Chinese jade handled items
$30
Carder Steuben Attr. Optic Glass Parfait: Frederick Carder (English, 1863-1963) for Steuben Attributed Optic Glass Parfait with amethyst cintra body and flint white base. 5.5" H x 3.75" Diameter. Provenance: Property from a private estate in
May 14, 2024Carder Steuben Attr. Optic Glass Parfait
$50
Brutalist "The Collector" Bronze Sculpture: Brutalist "The Collector" Verdigris Patinated Bronze Sculpture, depicting an abstracted seated male figure examining an item with a magnifying glass, his coat-enrobed body with pierced detailing, appa
May 14, 2024Brutalist "The Collector" Bronze Sculpture
$100
Pair of Brass Wall Pockets & Magnifying Glass: Pair of Brass Wall Pockets & Magnifying Glass. Up to: 9 3/4" L ALL DESCRIPTIONS AND ANY CONDITION STATEMENT GIVEN BY LANGSTON AUCTION GALLERY ARE STRICTLY OPINIONS AND LANGSTON'S SHALL HAVE NO RESPONS
May 15, 2024Pair of Brass Wall Pockets & Magnifying Glass
$5
Brass Magnifying glass Hand Lens: Antique Style Brass Framed Fur Trade Burning Glass Magnifying Description 4 1/2" Long x 2 1/4" Wide Nice reproduction of an antique referenced in several antique reference books. See "Fur Trade Optics
2 days LeftBrass Magnifying glass Hand Lens
$10
A LOVELY PAIR OF EARLY 19TH CENTURY FRENCH BRONZE SHAGREEN AND SILVER OPTICAL GLASSES signed Boin Ta: A LOVELY PAIR OF EARLY 19TH CENTURY FRENCH BRONZE SHAGREEN AND SILVER OPTICAL GLASSES signed Boin Taburet, decorated with neo classical swags and vines. 9.5 cm x 5.5 cm extended.
May 22, 2024A LOVELY PAIR OF EARLY 19TH CENTURY FRENCH BRONZE SHAGREEN AND SILVER OPTICAL GLASSES signed Boin Ta
£60
Small ball clock with golfer, around 1910/20: Small ball clock with golfer Circa 1910/20 Brass case and magnifying glass Painted dialDecorated all round with gemstones Diameter 8 cm Clock runs, movement not checked
3 days LeftSmall ball clock with golfer, around 1910/20
€100

Recommended Decorative Objects

View More
19th Cent. Enamel Annular Rotary Urn Clock: DESCRIPTION: Enamel annular rotary urn clock, Austrian, pink guilloche enamel with reserves of a beauty on the front and three small reserves of young children, hung with chains and hanging pendants a
2 days Left19th Cent. Enamel Annular Rotary Urn Clock
$550
ART NOUVEAU OAK & HAMMERED COPPER TALL CASE CLOCK: Weight driven pendulum movement with copper tooled spider web upper tablet and copper tooled setting sun lower tablet. 82 x 25 x 10 1/2 inches
6 days LeftART NOUVEAU OAK & HAMMERED COPPER TALL CASE CLOCK
$900
19th Century Pair Clodion (1738-1814) French Candelabras: A fine pair of French gilt-and patinated-bronze and marble candelabra late 19th century, after a model by Clodion, each standing female figure supporting five curved fluted candle branchesraised on ro
May 19, 202419th Century Pair Clodion (1738-1814) French Candelabras
$950
IRON RED DRAGON & BLUE GLAZED MEIPING JAR: Dimensions: Height: 35.5cm, Diam: 23cm Chinese Qing Dynasty Period, Qianlong Blue and white glaze red plum porcelain vase. The porcelain shaped into a traditional Meiping form, large, thick and tall,
May 16, 2024IRON RED DRAGON & BLUE GLAZED MEIPING JAR
$400
Six Murano Glass Paperweights: Set of six Murano glass paper weights.  Three large spheres, two smaller spheres and one egg shaped. H 2"-3"
4 days LeftSix Murano Glass Paperweights
$25
15 Piece Herend Figurine Group: 15 Piece Herend Figurine Group to include Three Herend Guild Smithsonian Institution Figurines in gold fishnet pattern to include baby elephant 2001, baby panda 2002, baby tiger 2003 height 3 1/2 inch
May 18, 202415 Piece Herend Figurine Group
$700
Rolex Submariner Dealer Display Wall Clock: DESCRIPTION: Vintage Rolex dealer display wall clock based on the popular classic Rolex Submariner series. Rolex Dealer Display A6409. Made with premium materials, silver tone metal frame, and featuri
2 days LeftRolex Submariner Dealer Display Wall Clock
$400
Reuge Five Cylinder & Song Swiss Music Box: Reuge Five Cylinder Swiss Music Box in a marquetry hardwood-patterned case, the lid opening to reveal the mechanism, the lower drawer with four additional cylinders, with the following songs: "March o
May 14, 2024Reuge Five Cylinder & Song Swiss Music Box
$500
Large collection of Hummel figurines, 69 figurines plus plaque,: Large collection of Hummel figurines, 69 figurines plus plaque, includes about every figure imaginable, please see images for additional detail.
18 hrs LeftLarge collection of Hummel figurines, 69 figurines plus plaque,
$250
Tiffany 10-Light Gilt Bronze Lily Lamp: Circa 1910; gilt bronze lamp with water lily base and lily leaf power switch with ten floral light fixtures, stamped "Tiffany Studios New York 381" with seven Favrille glass morning glory shades,marke
5 days LeftTiffany 10-Light Gilt Bronze Lily Lamp
$4,000
GILT BRONZE CLOISONNE TAIPING ELEPHANT: Dimensions: Width: 45cm, Height: 23 cm, Weigth: 622g Chinese Qing Dynasty Gilt Bronze Taiping Elephant Statue On Carved Cloisonne Stands. The elephant takes a submissive posture with carrying a vase a
May 16, 2024GILT BRONZE CLOISONNE TAIPING ELEPHANT
$500
Grand Tour French Directoire Gilt Bronze & Marble Obelisk Form Mantel Clock: Very fine quality French 19 century Obelisk form bronze and marble mantel clock with Armorial motif and an eagle on the top. French movement. Retailed by J.E. Caldwell. Overall very good condition, ha
May 19, 2024Grand Tour French Directoire Gilt Bronze & Marble Obelisk Form Mantel Clock
$825
Antique French Gold Gilt Carriage Clock: DESCRIPTION: French Gold gilt carriage clock with three painted plaques with hour repeater and beveled glass on the top and front. Stamped on the back "Brevete VR Paris 2566" CIRCA: 1850 ORIGIN: Franc
2 days LeftAntique French Gold Gilt Carriage Clock
$600
Bucks County Pennsylvania Chippendale Cherry Tall Case Clock: Benjamin Morris, late 18th century, painted dial with moon phase and seconds sweep, date aperture, painted spandrels, engraved brass medallion "BM", eight day brass movement, set in a highly figured c
3 days LeftBucks County Pennsylvania Chippendale Cherry Tall Case Clock
$1,000
Paul Garnier Antique Cast Iron Double Faced Paris Train Station Wall Clock: Ca. 19thC. Large and heavy antique double faced train station wall clock by Paul Garnier of Paris. No major cracks or chips, and apparently no repairs. The clock does not retain the original mechanica
7 days LeftPaul Garnier Antique Cast Iron Double Faced Paris Train Station Wall Clock
$300
George I London Grandfather Clock: An early 18th century English George I Period grandfather clock by "John Austin, London" (worked 1702-1725). 8-day weight driven time and strike movement with arched Brass dial and Silvered chapter ri
May 18, 2024George I London Grandfather Clock
$1,500

Related Searches

Sterling Silver Home & Décor
Glass Decorative Objects
Sterling Silver Decorative Objects
Marcasite Desk Accessories
Sterling Silver Desk Accessories
Glass Magnifying Glasses
Glass Home & Décor
Marcasite Decorative Objects
Glass Desk Accessories
Marcasite Home & Décor
Price Results
Auctions in New York
TOP