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2.881 Carats Certified Orangy Red Pyrope-Almandine Garnet - Natural Gemstone, LZ272: This impressive 2.881 carat oval mixed-cut garnet delivers a saturated, fiery orangy-red hue reminiscent of glowing embers and sunset horizons. The mixed faceting is expertly executed to amplify the s

17 hrs Left

2.881 Carats Certified Orangy Red Pyrope-Almandine Garnet - Natural Gemstone, LZ272

Est. $100-$200

James E DeKay - Plate XXIV The Raven, The Common Crow and The Magpie 1844: This original and striking 19th century engraving, drawn mostly from living specimens, have been superbly hand painted by professional colourists.James E. DeKay (1792 ? 1851) was an American zoologist

3 days Left

James E DeKay - Plate XXIV The Raven, The Common Crow and The Magpie 1844

Britannica Auctions Ltd

Est. £20-£40

23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP: This striking Winton boulder opal rough slab showcases a luminous band of ethereal sky-blue and pale aqua play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 27.6 x 1

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23.95 Carats Winton Boulder Opal Rough Slab - Natural Australian Stone, 36XP

Est. $60-$120

James E DeKay - Plate LXX The Chip-bird and The Lesser Redpoll 1844: This original and striking 19th century engraving, drawn mostly from living specimens, have been superbly hand painted by professional colourists.James E. DeKay (1792 ? 1851) was an American zoologist

3 days Left

James E DeKay - Plate LXX The Chip-bird and The Lesser Redpoll 1844

Britannica Auctions Ltd

Est. £20-£40

James E DeKay - Plate V The Broad-winged Buzzard and The Turkey Buzzard 1844: This original and striking 19th century engraving, drawn mostly from living specimens, have been superbly hand painted by professional colourists.James E. DeKay (1792 ? 1851) was an American zoologist

3 days Left

James E DeKay - Plate V The Broad-winged Buzzard and The Turkey Buzzard 1844

Britannica Auctions Ltd

Est. £20-£40

F21Gerald Brommer Rockland Breakwater Lighthouse Print: Framed Gerald Brommer Rockland Breakwater Lighthouse Print. The framed print is approx 40" x 1 1/2" x 31 1/2" and it weighs 14lbs. The print/image is approx 28 1/2" x 21 1/2". The

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F21Gerald Brommer Rockland Breakwater Lighthouse Print

Rapid Estate Liquidators and Auction Gallery

Est. $300-$600

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5.735 Carats Certified Deep Pink Purplish Topaz - Natural Brazilian Gemstone, LZ274

Est. $100-$200

James E DeKay - Plate CXXII The American Gannet, young and The Winter Gull 1844: This original and striking 19th century engraving, drawn mostly from living specimens, have been superbly hand painted by professional colourists.James E. DeKay (1792 ? 1851) was an American zoologist

3 days Left

James E DeKay - Plate CXXII The American Gannet, young and The Winter Gull 1844

Britannica Auctions Ltd

Est. £20-£40

12.80 Carats Iridescent Sky Blue Winton Opal Rough - Natural Australian Specimen 18x11mm, 80XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of sky blue and subtle turquoise swirl through a milky, translucent base. The natural,

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12.80 Carats Iridescent Sky Blue Winton Opal Rough - Natural Australian Specimen 18x11mm, 80XM

Est. $40-$80

James E DeKay - Plate LXI The Bay-winged Sparrow and The White-throated Sparrow 1844: This original and striking 19th century engraving, drawn mostly from living specimens, have been superbly hand painted by professional colourists.James E. DeKay (1792 ? 1851) was an American zoologist

3 days Left

James E DeKay - Plate LXI The Bay-winged Sparrow and The White-throated Sparrow 1844

Britannica Auctions Ltd

Est. £20-£40

Philippines 1940 “COMMONWEALTH?? Overprint on 1935 Salt Spring 12c Black Scott PH 438: Issued in 1940 under the newly formed Philippine Commonwealth, this 12 centavos black definitive stamp features the overprint COMMONWEALTH on the 1935 “Salt Spring” design, symbolizing the nat

Apr 26, 2026

Philippines 1940 “COMMONWEALTH?? Overprint on 1935 Salt Spring 12c Black Scott PH 438

Chan & Scott Auction House

Est. $60-$90

1.082 Carats Certified Blue Violetish Spinel - Natural Gemstone, LZ270: This exceptional oval mixed-cut spinel enchants with a rare, velvety blue base infused with delicate violetish undertones, a coveted color combination in natural spinel. The mixed faceting is precisio

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1.082 Carats Certified Blue Violetish Spinel - Natural Gemstone, LZ270

Est. $120-$240

17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP: This substantial Winton boulder opal rough showcases a striking band of ethereal sky-blue and aqua-green play-of-color, nestled within its natural ironstone host rock. Measuring precisely at 29.3 x 11

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17.32 Carats Winton Boulder Opal Rough - Natural Australian Stone, 37XP

Est. $60-$120

19.97 Carats Winton Boulder Opal Rough Specimen - Natural Australian Stone, 39XP: This exquisite Winton boulder opal rough specimen showcases a brilliant band of vivid sky-blue and periwinkle play-of-color, with subtle hints of lavender iridescence that glow softly under light. Mea

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19.97 Carats Winton Boulder Opal Rough Specimen - Natural Australian Stone, 39XP

Est. $60-$120

28.26 Carats Multicolor Iridescent Winton Opal Rough - Natural Australian Specimen 30x12mm, 82XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of fiery orange, golden yellow, vibrant green, and deep blue swirl through a milky, tra

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28.26 Carats Multicolor Iridescent Winton Opal Rough - Natural Australian Specimen 30x12mm, 82XM

Est. $60-$120

28.80 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 40XP: This impressive 28.80ct Winton boulder opal rough slab features a dramatic field of rich, velvety cobalt blue iridescence, with streaks of vivid indigo and hints of seafoam-green that glow intensely u

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28.80 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 40XP

Est. $60-$120

6.68 Carats Cream-Blue Boulder Opal with Dark Matrix - Natural Australian Stone, 36XM: This substantial boulder opal presents a striking visual narrative, with a creamy, pale base that transitions into soft, iridescent blue opal layers, all dramatically framed by a large, dark, textured

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6.68 Carats Cream-Blue Boulder Opal with Dark Matrix - Natural Australian Stone, 36XM

Est. $60-$120

3.52 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 82XL: This striking Koroit Yowah opal cabochon, measuring 13.3x9.7mm, features a rich, earthy brown ironstone matrix crisscrossed by a network of vivid, iridescent opal veins. The opal inclusions emit inten

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3.52 Carats Koroit Yowah Opal Cabochon - Natural Australian Single Stone, 82XL

Est. $60-$120

Collection of 7 Vintage Natural Gemstone Necklaces - Turquoise Chip, Leopard Skin Jasper, Picture: An appealing and highly wearable collection of seven vintage natural gemstone necklaces presented as a single curated grouping, featuring a diverse assortment of mineral varieties including turquoise,

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Collection of 7 Vintage Natural Gemstone Necklaces - Turquoise Chip, Leopard Skin Jasper, Picture

Oakwood Auctions

Est. $25-$40

Antique Agate Double Eye Bead - Central Asian Gemstone Pendant, 7AR: Carved from banded agate with earthy pink, orange, and creamy white concentric banding, this bead features a symmetrical double-eye motif with a subtle heart-shaped indentation at the top and bottom.

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Antique Agate Double Eye Bead - Central Asian Gemstone Pendant, 7AR

Est. $50-$100

An Indonesian Crab Fossil Specimen in Matrix, 36FV: The specimen consists of a fossilized crab preserved in a light beige, sandy matrix, with the carapace and limbs partially exposed. The crab's exoskeleton exhibits a darker, purplish-brown hue, with v

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An Indonesian Crab Fossil Specimen in Matrix, 36FV

Est. $20-$40

42.94 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 41XP: This museum-grade Winton boulder opal rough slab presents a dramatic canvas of mesmerizing seafoam-green and sky-blue iridescence, embedded within its natural ironstone matrix. Measuring a substantial

17 hrs Left

42.94 Carats Winton Boulder Opal Rough Slab - Natural Australian Opal, 41XP

Est. $60-$120

11.62 Carats Iridescent Blue-Green Winton Opal Rough - Natural Australian Specimen 22x10mm, 90XM: This exceptional rough opal from Winton, Australia, captivates with a vivid play of color, where intense flashes of electric green and deep celestial blue swirl through a milky, translucent base. The

17 hrs Left

11.62 Carats Iridescent Blue-Green Winton Opal Rough - Natural Australian Specimen 22x10mm, 90XM

Est. $60-$120

Antique Agate Swirl Bead - Central Asian Gemstone Pendant, 4AR: Carved from banded agate with a soft pinkish base and flowing orange-white swirl patterns, this bead features a smooth spherical form with a lateral perforation for wearability. The natural agate band

3 days Left

Antique Agate Swirl Bead - Central Asian Gemstone Pendant, 4AR

Est. $50-$100

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