Vintage Oversized Bicycle Brooch - Feb 07, 2022 | Denise Ryan Auctions In Nh
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
MSK Cancer Center Benefit Auction
Capsule Auctions
Sponsored.Your ad here?

Jewelry
Featured
Popular Searches
Certified Exquisite Jewelry Big Sale | Day8
Elbert Gallery
Sponsored.Your ad here?

Asian Antiques
Browse By Origin
Featured
Day-1 IMPORTANT CHINESE FINEART & ANTIQUE
EDEN Fine Antiques Galleries
Sponsored.Your ad here?

Furniture
Tables
Seating
Cabinets & Storage
Browse By Styles
Featured
Ararity's Antique and Decorative Arts Auction
Ararity Auctions
Sponsored.Your ad here?

Collectibles
Vintage Posters
Potter & Potter Auctions
Sponsored.Your ad here?

Coins
Browse By Origin
Featured Coins
SOUTH BEACH MULTI-MILLION DOLLAR ESTATE
Most Elite Collections LLC
Sponsored.Your ad here?

Home & Décor
Featured
Ararity's Antique and Decorative Arts Auction
Ararity Auctions
Sponsored.Your ad here?

Clothing
Accessories
Featured Designers

lots of lots
View Auction
Jewelry
Brooches & Pins
Previous
Lot 0109
Next

Vintage Oversized Bicycle Brooch

Similar Sale History

View More Items in Brooches & Pins
Sold
Vintage Articulated Oversized Rhinestone Brooch: A vintage oversized brooch that is completely covered in colorless, faceted rhinestones. The brooch is articulated, as towards the base the brooch has movement. Rhinestones all set with prongs. Unders
2020Vintage Articulated Oversized Rhinestone BroochSee Sold Price
Sold
Vintage Oversized Composite Costume Gem Brooch: A vintage oversized brooch feature a composite costume gem bezel set in a silver tone metal backing. The backing has raised accents. Underside has metal pin closure. The gem is textured and has green-
2021Vintage Oversized Composite Costume Gem BroochSee Sold Price
Sold
VINTAGE TRIFARI OVERSIZED BROOCH & NECKLACE LOT: A COLLECTION OF SIGNED TRIFARI AS SHOWN IN DETAILED PHOTOS. ALL PIECES ARE IN VERY GOOD CONDITION WITH NO DAMAGE OR MISSING STONES
2023VINTAGE TRIFARI OVERSIZED BROOCH & NECKLACE LOTSee Sold Price
Sold
FABRICE PARIS Sign Vintage Oversized Floral Brooch: A oversized vintage blue-purple toned resin floral brooch with three pearlescent beads to the center. Gold tone metal stem with a metal pin closure to the underside. Underside signed FABRICE PARIS. Me
2022FABRICE PARIS Sign Vintage Oversized Floral BroochSee Sold Price
Sold
Vintage Oversized Costume Brooch.: Red and Green rhinestones. 4"H. 3"W
2023Vintage Oversized Costume Brooch.See Sold Price
Sold
VINTAGE METAL BICYCLE BROOCH 1.5": VINTAGE METAL BICYCLE BROOCH 1.5" VERY GOOD VINTAGE CONDITIONBC 3112021
2021VINTAGE METAL BICYCLE BROOCH 1.5"See Sold Price
Sold
FABRICE PARIS Oversized Floral Statement Brooch: A vintage oversized statement brooch. Floral form featuring a textured dome studded with smaller crystal florals with raised resinous petals. Pink hues. Brass toned metal stem and leaves feature etche
2022FABRICE PARIS Oversized Floral Statement BroochSee Sold Price
Sold
IMPORTANT GOOSSENS PARIS VINTAGE 60'S OVERSIZED MOGUL BROOCH: An important unsigned gripoix brooch made by Gosseens. Measures 3" x3" with no damage
2022IMPORTANT GOOSSENS PARIS VINTAGE 60'S OVERSIZED MOGUL BROOCHSee Sold Price
Sold
6 UGO CORREANI FOR VERSACE OVERSIZED VINTAGE BROOCH LOT: 6 vintage unsigned ugo correani for versace large brooches, largest measuring over 5"
20206 UGO CORREANI FOR VERSACE OVERSIZED VINTAGE BROOCH LOTSee Sold Price
Sold
VINTAGE TRIFARI OVERSIZED SOPHISTICATED BROOCH & EARRINGS LOT: A COLLECTION OF SIGNED TRIFARI AS SHOWN IN DETAILED PHOTOS. ALL PIECES ARE IN VERY GOOD CONDITION WITH NO DAMAGE OR MISSING STONES
2023VINTAGE TRIFARI OVERSIZED SOPHISTICATED BROOCH & EARRINGS LOTSee Sold Price
Sold
VINTAGE TRIFARI OVERSIZED GOLDTONE BROOCH & NECKLACE LOT: A COLLECTION OF SIGNED TRIFARI AS SHOWN IN DETAILED PHOTOS. ALL PIECES ARE IN VERY GOOD CONDITION WITH NO DAMAGE OR MISSING STONES
2023VINTAGE TRIFARI OVERSIZED GOLDTONE BROOCH & NECKLACE LOTSee Sold Price
Sold
6 UGO CORREANI FOR VERSACE OVERSIZED VINTAGE BROOCH PIN: An unsigned vintage ugo correani for versace 4" brooch made of layer resin and crystals
20206 UGO CORREANI FOR VERSACE OVERSIZED VINTAGE BROOCH PINSee Sold Price
Sold
Mint Vintage High Wheel Bicycle Brooch Spins: Mint Condition, In Like New Condition, Perfect
2021Mint Vintage High Wheel Bicycle Brooch SpinsSee Sold Price
Sold
Mint Vintage Moving Axel Bicycle Brooch: Mint Condition, In Like New Condition, Perfect
2023Mint Vintage Moving Axel Bicycle BroochSee Sold Price
Sold
Stunning Vintage Bicycle Roller Blade Brooch Lot: excellent condition
2023Stunning Vintage Bicycle Roller Blade Brooch LotSee Sold Price
Sold
Mint Vintage High Wheeler Bicycle Brooch: Mint Condition, In Like New Condition, Perfect
2023Mint Vintage High Wheeler Bicycle BroochSee Sold Price

Related Brooches & Pins

Womens Vintage Estate Sterling Silver Bicycle Brooch: A WOMENS VINTAGE ESTATE STERLING SILVER BICYCLE BROOCH. THE BROOCH WEIGHS 15.1g, AND MEASURES 2 1/4" LONG BY 1 1/2" WIDE. THIS WOULD MAKE A NICE GIFT FOR THAT SOMEONE SPECIAL. ANY OTHER QUESTIONS PLEA
May 26, 2024Womens Vintage Estate Sterling Silver Bicycle Brooch
$80
Vintage LIDZ BROS NY Oversized Bug/Fly Brooch: Title: https://www.rubylane.com/item/2610901-LOTx20NUMBER-x20288/Vintage-LIDZ-BROS-NY-Oversized-Bug?search=1 Description: Vintage LIDZ BROS NY Oversized Bug/Fly Brooch Date/Period:Vintage LIDZ BROS NY
2 days LeftVintage LIDZ BROS NY Oversized Bug/Fly Brooch
$85
LISA Signed Oversized Pearlescent Statement Brooch: A vintage silver tone metal statement brooch tipped with a baroque style pearlescent accent. Stem of the brooch features leaves and a textured design. Metal pin closure to reverse. The reverse is sign
Jun 05, 2024LISA Signed Oversized Pearlescent Statement Brooch
$1
A LOT OF TWO VINTAGE BROOCHES SWAN AND STORK SIGNED: THE STORK BROOCH IS 3" TALL AND SIGNED BOLD ELEGANCE. THE SWAN WITH THE RED GLASS BODY IS CIRCA THE 1930'S. THERE IS SOME WEAR AND REGILDING. IT IS A LARGE BROOCH 2.4 BY 2". WE PROVIDE IN-HOUSE/COMBIN
7 days LeftA LOT OF TWO VINTAGE BROOCHES SWAN AND STORK SIGNED
$40
A LOT OF TWO VINTAGE BROOCHES AND A PAIR OF EARRINGS SIGNED: ONE BROOCH LOOKS LIKE MAZER BUT IT IS NOT SIGNED. IT IS 2" LONG. THE OTHER BROOCH AND EARRINGS ARE BY MONET. THE MONET BROOCH IS 2.4" LONG. IN VERY GOOD VINTAGE CONDITION. WE PROVIDE IN-HOUSE/COMBINED
7 days LeftA LOT OF TWO VINTAGE BROOCHES AND A PAIR OF EARRINGS SIGNED
$40
French Vintage Brooch 18k Gold Enamel Gems Duck Pin Clip Estate Jewelry: Lovely joyful clip created in France in the 1950s. Depicting three ducks, fun and articulated, the brooch is definitely a conversational piece. Colorful and wearable, the clip is a great addition to y
2 days LeftFrench Vintage Brooch 18k Gold Enamel Gems Duck Pin Clip Estate Jewelry
$5,500
Hermès 18k Gold Knot Vintage Brooch: An elegant Hermès knot brooch made of 18k gold. This vintage brooch is a discerning piece crafted by an expert of the knot-shaped jewelry. An emblematic knot motif is a recurring symbol in variou
2 days LeftHermès 18k Gold Knot Vintage Brooch
$2,000
Vintage Brooch: Vintage Brooch Please view all photos as they are part of the description and condition of this Item, Feel free to contact me with questions or picture requests! Used Item AS IS
6 days LeftVintage Brooch
$8
Vintage Brooch leaf Amerikaner Andreas Daub: Vintage Brooch leaf Amerikaner Andreas Daub Please view all photos as they are part of the description and condition of this Item, Feel free to contact me with questions or picture requests! Used Item
6 days LeftVintage Brooch leaf Amerikaner Andreas Daub
$14
Platinum 17.00cttw Diamond Foliage Style Vintage Brooch: Platinum 17.00cttw Diamond Foliage Style Vintage Brooch Type: Brooches Metal: Platinum Grams: 30.3 Exact Diamond Weight: 17 Cts Measurements: L: 3 inches Condition: Excellent. Other Details: A very at
May 22, 2024Platinum 17.00cttw Diamond Foliage Style Vintage Brooch
$10
Hermès 18k Gold Knot Vintage Brooch: Hermès 18k Gold Knot Vintage Brooch DESIGNER: Hermes Paris CIRCA: 1990s MATERIALS: 18k Yellow Gold WEIGHT: 19.6 grams MEASUREMENTS: 1” x 1 1/4” HALLMARKS
May 29, 2024Hermès 18k Gold Knot Vintage Brooch
$800
Vintage Vaseline Uranium Glass Vintage Brooch Pin: Really nice piece that glows beautifully under UV light. All the stones in this brooch are from uranium glass. Made in Czechoslovakia. Dimensions: Height: 2 1/4 '', Width: 2 1/4''. Fast delivery time
May 25, 2024Vintage Vaseline Uranium Glass Vintage Brooch Pin
$86
Vintage Vaseline Uranium Glass Vintage Brooch Pin: Really nice piece that glows beautifully under UV light. All the stones in this brooch are from uranium glass. Made in Czechoslovakia. Dimensions: Height: 1 3/4 '', Width: 2 1/2 ''. Fast delivery time
May 25, 2024Vintage Vaseline Uranium Glass Vintage Brooch Pin
$86
Vintage Vaseline Uranium Glass Vintage Brooch Pin: Really nice piece that glows beautifully under UV light.All the stones in this brooch are from uranium glass. Made in Czechoslovakia. Dimensions: Height: 2 1/4 '', Width: 2 ''. Fast delivery time worl
May 25, 2024Vintage Vaseline Uranium Glass Vintage Brooch Pin
$86
Art Deco Vaseline Uranium Glass ' Comet ' Vintage Brooch Pin: Really nice piece that glows beautifully under UV light. All the stones in this brooch are from uranium glass. Made in Czechoslovakia. Dimensions: Height: 2 1/4 '', Width: 2 ''. Fast delivery time wor
May 25, 2024Art Deco Vaseline Uranium Glass ' Comet ' Vintage Brooch Pin
$86
Vintage Vaseline Uranium Glass Vintage Brooch Pin: Really nice piece that glows beautifully under UV light.All the stones in this brooch are from uranium glass. Made in Czechoslovakia. Dimensions: Height: 2 1/4 '', Width: 2 ''. Fast delivery time worl
May 25, 2024Vintage Vaseline Uranium Glass Vintage Brooch Pin
$86

More Items in Brooches & Pins

View More
Lock of Robert E. Lee's Hair & Archive: LARGE LOCK OF ROBERT E. LEE'S HAIR FROM HIS LEXINGTON, VIRGINIA DOCTOR, HOWARD T. BARTON. Large lock of General Robert E. Lee's hair, taken at death. [Lexington, Virginia], [1870]. Approx. length 6 in
2 days LeftLock of Robert E. Lee's Hair & Archive
$1,100
Charles Fazzino Handmade King Kong Brooch 4in: Charles Fazzino handmade King Kong Empire State Building brooch. Signed to underside. Hinge pin to underside. Hand painted with crystal decoration and gilt to edges and underside. Measures approx. 4 x
2 days LeftCharles Fazzino Handmade King Kong Brooch 4in
$70
(2 Pc) Italian 18k Gold, Sapphire and Citrine Bee Brooches: DESCRIPTION: Two Italian 18k yellow gold brooch in the form of bees, each brooch decorated with approx. .40 cts in diamonds with the center body inset with square cut citrines or sapphires. Stamped al
1 day Left(2 Pc) Italian 18k Gold, Sapphire and Citrine Bee Brooches
$2,000
VAN CLEEF & ARPELS, WOOD AND DIAMOND BUTTERFLY BROOCH: VAN CLEEF & ARPELS, WOOD AND DIAMOND BUTTERFLY BROOCH Designed as a butterfly with wood wings set with bezel set round brilliant cut diamonds and round brilliant cut diamond body. Mounted in 18 karat
1 day LeftVAN CLEEF & ARPELS, WOOD AND DIAMOND BUTTERFLY BROOCH
$3,000
Wedgwood Jasperware Jewelry, 21 Pieces: Group of 21 Pieces of Wedgwood Jasperware Jewelry, all but one marked "Wedgwood / Made in / England" to reverses, comprising: two pink cameo brooches, two blue pin pendants, four blue pins, three gree
Jun 18, 2024Wedgwood Jasperware Jewelry, 21 Pieces
$100
Brutalist Silver Agate Brooch Pendant: Brutalist Silver Agate Brooch Pendant, apparently unsigned. Weight: 34 g. inclusive; 3" L x 2.5" W. Provenance: From a New York City Collection. Keywords: Art Jewelry, Fashion, Accessories, Modernist,
Jun 18, 2024Brutalist Silver Agate Brooch Pendant
$50
Faux Pearl Fascinator, ca. 1940: Faux Pearl Fascinator, with pin attachment to underside, circa 1940. 6" L x 5.5" W. Provenance: From a New York City Collection. Keywords: Fashion, Jewelry, Accessories, Statement, Headpiece, Hat, Bro
Jun 18, 2024Faux Pearl Fascinator, ca. 1940
$50
CARTIER: A PLATINUM, 18K GOLD, RUBY AND DIAMOND CLIP BROOCH, CIRCA 1950: CARTIER: A PLATINUM, 18K GOLD, RUBY AND DIAMOND CLIP BROOCH, CIRCA 1950 Designed as a corsage of a single frond and an olive branch, featuring round and pear-shaped rubies set in gold and weighing app
1 day LeftCARTIER: A PLATINUM, 18K GOLD, RUBY AND DIAMOND CLIP BROOCH, CIRCA 1950
$10,000
18K Gold, Diamond, Enamel Patek Philippe & Cie. Watch Brooch: DESCRIPTION: Patek Philippe & Cie. watch brooch with 18k yellow gold case foundation covered in green enamels with hand painted floral decoration and inset rose cut diamonds throughout. Dial with whit
1 day Left18K Gold, Diamond, Enamel Patek Philippe & Cie. Watch Brooch
$500
Art Deco Sterling Silver 'Birds on Wheat' brooch Georg Jensen.: Art Deco sterling silver no.250 'Birds on Wheat' brooch by Arno Malinowski for Georg Jensen. Arno Malinowski 1899 - 1976, Denmark, approx. 1939. Hallmarks: 1933 - 1944 Georg Jensen mark, 925, sterling
6 days LeftArt Deco Sterling Silver 'Birds on Wheat' brooch Georg Jensen.
$70
Native American Navajo Sterling Silver & Turquoise Brooch Signed S. M. Bahe: Large brooch with turquoise housed in sterling silver signed SM Behe. One stone replaced on edge and bezel partially missing. See photos. 66.2 grams.
6 days LeftNative American Navajo Sterling Silver & Turquoise Brooch Signed S. M. Bahe
$80
Lincoln & Generals Albumen Brooch: Albumen engraved portrait of Abraham Lincoln. ## x ## in. Housed in period brooch. Brooch reverse features four miniature albumen portraits, each approx. ## x ## in., of General Ulysses S. Grant, Gene
1 day LeftLincoln & Generals Albumen Brooch
$250
David Webb Style 18k Gold, Coral and Diamond Brooch: DESCRIPTION: A David Webb style brooch crafted by an 18k yellow gold foundation in an overall seahorse form, the center inset with angel skin carved coral, further accented along the body with a serie
1 day LeftDavid Webb Style 18k Gold, Coral and Diamond Brooch
$2,000
2015 Cadillac CTS Four Door Sedan: 2015 Cadillac CTS Four Door Sedan cream/beige leather interior, 22,345 miles
5 days Left2015 Cadillac CTS Four Door Sedan
$5,000
1930 Ford Model A Coupe: 1930 Ford Model A Coupe cream/beige leather interior, 52,500 miles, VIN 3822457, last registered in 2004
5 days Left1930 Ford Model A Coupe
$2,500
EDWARDIAN, DIAMOND CRESCENT BROOCH/PENDANT: EDWARDIAN, DIAMOND CRESCENT BROOCH/PENDANT Containing old mine cut diamonds weighing approximately 4.40 carats total, with removable pin back converting to a pendant. Mounted in platinum-topped gold.
1 day LeftEDWARDIAN, DIAMOND CRESCENT BROOCH/PENDANT
$1,200

Recommended Jewelry

View More
18K Yellow Gold Aquamarine & Diamond Ring: 18K Yellow Gold Aquamarine & Diamond Ring Stone Type: Diamonds Other Gemstones Metal Type: 18K Metal Color: Yellow Appraisal Price: $11800 Comments: 18K Yellow Gold Aquamarine & Diamond Ring Weighing
1 day Left18K Yellow Gold Aquamarine & Diamond Ring
$610
14k Art Deco Diamond Engagement Ring: An early 20th century Art Deco Period 14k White Gold and Diamond engagement ring. Domed filigree setting with milgrain detail and three round cut diamond approx. 0.31 cttw. Marked "14k". 2.3 grams tot
5 days Left14k Art Deco Diamond Engagement Ring
$300
Lot of Watches, Wrist and Pocket: This lot of watches would be used for parts. This lot of watches included a New Era Pocket Watch in an Alaska Metal case. The back is loose and the is a hairline in the porcelain, not running. There i
2 days LeftLot of Watches, Wrist and Pocket
$275
PATEK-PHILIPPE GENEVE 18KT GOLD OPEN FACE POCKET WATCH: PATEK-PHILIPPE GENEVE 18KT YELLOW GOLD OPEN FACE POCKET WATCH, SERIAL #196374, 19/20TH C., DIAM. 43.18 MM, W. 51.6 DWT
5 days LeftPATEK-PHILIPPE GENEVE 18KT GOLD OPEN FACE POCKET WATCH
$2,400
Lock of Robert E. Lee's Hair & Archive: LARGE LOCK OF ROBERT E. LEE'S HAIR FROM HIS LEXINGTON, VIRGINIA DOCTOR, HOWARD T. BARTON. Large lock of General Robert E. Lee's hair, taken at death. [Lexington, Virginia], [1870]. Approx. length 6 in
2 days LeftLock of Robert E. Lee's Hair & Archive
$1,100
Rare Vintage Piaget 18k Gold and Diamond Bangle Watch: DESCRIPTION: A rare and unique Piaget ladies 18k yellow gold watch features a mechanical movement, pave diamond dial, attached to a textured intertwining bangle bracelet accented by inset diamonds. Th
1 day LeftRare Vintage Piaget 18k Gold and Diamond Bangle Watch
$6,500
VAN CLEEF & ARPELS, RUBY AND DIAMOND 'MYSTERY SET' FLOWER CLIP EARRINGS: VAN CLEEF & ARPELS, RUBY AND DIAMOND 'MYSTERY SET' FLOWER CLIP EARRINGS Centering two round brilliant cut diamonds weighing approximately 0.80 carat total, with mystery set ruby petals. Mounted in 18
1 day LeftVAN CLEEF & ARPELS, RUBY AND DIAMOND 'MYSTERY SET' FLOWER CLIP EARRINGS
$40,000
18K Sapphire & Diamond Ring: 18K Sapphire & Diamond Ring. Natural stone square faceted sapphire 6.5 cts. est.; diamond total est. 1.6cts.; ring size 5.5; weight 5.92 dwts.
May 21, 202418K Sapphire & Diamond Ring
$2,050
Cartier PANTHERE CLASSIQUE 18K Gold Estate Watch: Artist/Designer; Manufacturer: Cartier (France)Marking(s); notes: Cartier imprints, 18K, 750, 887968C, 005593, marking(s)Materials: 18K gold, sapphireDimensions (H, W, D)
5 days LeftCartier PANTHERE CLASSIQUE 18K Gold Estate Watch
$3,500
14k Yellow Gold Chanel Set Diamond Bangle Bracelet: 14k yellow gold bangle with chanel set diamonds, approx 1/2+ carat total weight (25 diamonds). Measure Inside circumference 6.5". Total weight 15.2 grams.
6 days Left14k Yellow Gold Chanel Set Diamond Bangle Bracelet
$525
NW COAST "RAVEN" ENGRAVED/TOOLED STERLING CUFF BRACELET: RARE NORTHWEST COAST "RAVEN" ENGRAVED/TOOLED STERLING CUFF BRACELET SIGNED DANIEL, C. 1960, SIZE 5 3/4", 1.5 OZ.
5 days LeftNW COAST "RAVEN" ENGRAVED/TOOLED STERLING CUFF BRACELET
$160
14k White Gold Heart Shaped Diamond Solitaire Ring size 8: Natural diamond, SI-2 HI color. 1.26 carats. Total weight 1.9 grams.
6 days Left14k White Gold Heart Shaped Diamond Solitaire Ring size 8
$725
1.42ctw Diamond Earrings in 14K Gold: Estimated Retail Replacement Value: $25,200.00Ref: WAG14400Item no.: EJZ003Specification:Gold Content: Solid 14K White GoldWeight of Item: 1.20 gramsCountry Made: U.S.A Main Gemstone: Natural Diamond
Live Now1.42ctw Diamond Earrings in 14K Gold
See Sold Price
Charles Fazzino Handmade King Kong Brooch 4in: Charles Fazzino handmade King Kong Empire State Building brooch. Signed to underside. Hinge pin to underside. Hand painted with crystal decoration and gilt to edges and underside. Measures approx. 4 x
2 days LeftCharles Fazzino Handmade King Kong Brooch 4in
$70
DIAMOND RING AND JACKETS: DIAMOND RING AND JACKETS Consisting of a platinum ring containing one round brilliant cut diamond weighing 6.44 carats and two tapered baguette cut diamonds, together with a white gold ring jacket con
1 day LeftDIAMOND RING AND JACKETS
$10,000
14K Diamond & Emerald Ring: 14K White Gold & Emerald 7 cts. est Ring. Size 7; weight 6.51 dwts.
May 21, 202414K Diamond & Emerald Ring
$625
item-122009522=1
item-122009522=2
item-122009522=3
Vintage Oversized Bicycle Brooch
Vintage Oversized Bicycle Brooch
Item Details
Description
gold-toned bicycle-shaped brooch, multi-colored smooth & faceted stones, Approx. 4.5", see photos.
Buyer's Premium
  • 23%

Vintage Oversized Bicycle Brooch

Estimate $25 - $500
See Sold Price
Starting Price $10
Sell a Similar Item
4 bidders are watching this item.
Shipping & Pickup Options
Item located in Manchester, NH, us
See Policy for Shipping
Payment
Accepts seamless payments through LiveAuctioneers
Denise Ryan Auctions

Denise Ryan Auctions

badge TOP RATED
Manchester, NH, United States
461 Reviews
4,436 Followers
TOP