Natural History

25 Oct 2026  |  Netherlands
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Opal Cabochon- 2.45 g

107689054: Opal Cabochon- 2.45 g Estimate: Login

Nile Crocodile Skull - Crocodylus niloticus - 7 cm - 11 cm - 25 cm- CITES Appendix II - Annex B in the EU - (1)

107693858: Nile Crocodile Skull -... Estimate: Login

Monkey Skull - Papio Ursinus - 9.5 cm - 10 cm - 16 cm- CITES Appendix II - Annex B in the EU - (1)

107693872: Monkey Skull - Papio Ursinus -... Estimate: Login

Plains Zebra Skull - Equus quagga - 19 cm - 29 cm - 46 cm- Non-CITES species

107694000: Plains Zebra Skull - Equus... Estimate: Login

Cape Porcupine Quills - Taxidermy full body mount - Hystrix africaeaustralis - 13 cm - 15 cm - 0.4 cm - non-CITES species - 50

107694045: Cape Porcupine Quills -... Estimate: Login

Coral - Silver, Gold-plated - Necklace with pendant - CORALLO MEDITERRANEO

107694774: Coral - Silver, Gold-plated -... Estimate: Login

Large Sinistral Busycon Contrarium Shell Natural shell on a wooden and brass display stand. - Height: 300 mm - Width: 160 mm- 1340 g - (1)

107695009: Large Sinistral Busycon... Estimate: Login

Preserved Pufferfish - Tetraodontidae with Sharp Spines Globose Inflated as a Natural History Sculpture on a Brass Stand - Height: 170 mm - Width: 110 mm- 315 g - (1)

107695019: Preserved Pufferfish -... Estimate: Login

Silver Necklace - artisanal craftsmanship

107697121: Silver Necklace - artisanal... Estimate: Login

Celestine Geode - Height: 14 cm - Width: 12 cm- 2589 g

107706465: Celestine Geode - Height: 14... Estimate: Login

Historically, the production of Cameos - The Cassis Rufa Conchichia - Height: 163 mm - Width: 114 mm- 432 g - (1)

107708741: Historically, the production... Estimate: Login

First Quality Fossil Specimen - Perisphinctes Ammonite - Refined Wood and Brass Base - Authentic Fossil Fragment - Height: 270 mm - Width: 210 mm- 3488 g - (1)

107708829: First Quality Fossil Specimen... Estimate: Login

Natural celestite druzy from Madagascar – Heavenly beauty in crystal form- 3003.48 g

107709463: Natural celestite druzy from... Estimate: Login

Natural malachite-chrysocolla rough specimen with intense blue-green contrasts- 1559.78 g

107709469: Natural malachite-chrysocolla... Estimate: Login

Very Rare Natural Velvet - Malachite Stalactite Crystal - Raw- 750.88 g

107709474: Very Rare Natural Velvet -... Estimate: Login

Natural amethyst druzy from Uruguay - Masterpiece of Nature- 2840.17 g

107709508: Natural amethyst druzy from... Estimate: Login

Large Polished Sumatran Amber Freeform with Spectacular Electric Blue Fluorescence Organically Fossil Amber - Height: 150 mm - Width: 92 mm- 602 g - (1)

107709877: Large Polished Sumatran Amber... Estimate: Login

Authentic Eocene Knightia Fish Fossil - Well-Preserved Skeletal Details Natural Limestone Slab - Height: 158 mm - Width: 125 mm- 381 g - (1)

107709928: Authentic Eocene Knightia Fish... Estimate: Login

Magnificent Lytoceras fossil ammonite, showcasing both internal and external structures Large, naturally preserved Mesozoic Cephalopod - Height: 550 mm - Width: 440 mm- 29500 g - (1)

107709939: Magnificent Lytoceras fossil... Estimate: Login

Ancient Petrified Wood Trunk Segment - Natural Form Silicified Wood Specimen - Original Arboreal Structure - Height: 888 mm - Width: 150 mm- 20500 g - (1)

107709959: Ancient Petrified Wood Trunk... Estimate: Login

First Quality Fossil Specimen - Perisphinctes Ammonite - Refined Wood and Brass Base - Authentic Fossil Fragment - Height: 280 mm - Width: 225 mm- 5509 g - (1)

107709996: First Quality Fossil Specimen... Estimate: Login

Cypraea tigris Shell with Unique Smoky Blue-Gray Glossy Surface A Large, Perfectly Formed Gastropod Shel - Height: 108 mm - Width: 65 mm- 119 g - (1)

107710025: Cypraea tigris Shell with... Estimate: Login

Sea Snail Sea shell - S-634 CYMBIOLA IMPERIALIS (No reserve price)

107711092: Sea Snail Sea shell - S-634... Estimate: Login

Outstanding 90mm GIANT Neverita didyma - Rare Bladder Moon Shell - Perfect GEM Skeleton - Neverita didyma - 0 mm - 0 mm - 90 mm- Non-CITES species - (1)

107711620: Outstanding 90mm GIANT... Estimate: Login

Giant Fighting Conch (Strombus gigas) | Great Queen Conch - Top Taxidermy wall mount - Strombus gigas - 29 cm - 0 mm - 0 mm - Non-CITES species - 1

107711701: Giant Fighting Conch (Strombus... Estimate: Login

Flawless Xenophora | Snow White Edition with Conus Attachment | GEM Skeleton - Xenophora - 0 mm - 0 mm - 10.2 cm- Non-CITES species - (1)

107711788: Flawless Xenophora | Snow... Estimate: Login

Extremely rare! - Erdbeerschnecke ┼ EXTREM GOSS ┼ Skeleton - Clanculus pharaous - 0 mm - 0 mm - 23 mm- Non-CITES species - (1)

107711826: Extremely rare! -... Estimate: Login

Conus telatus rugosus (Lauer, 1988) – Exquisites GEM-Exemplar, 55mm (Samar, Philippines) Taxidermy wall mount - Conus telatus rugosa - 55 mm - 0 mm - 0 mm - Non-CITES species - 1

107711882: Conus telatus rugosus (Lauer... Estimate: Login

Large Red Abalone (Haliotis rufescens) | Noble Abalone | Size 125 mm | Collectible Skeleton - Haliotis rufescens - 0 mm - 0 mm - 125 mm- Non-CITES species - (1)

107712014: Large Red Abalone (Haliotis... Estimate: Login

Rose Quartz Flame Set – Soft elegance in delicate pink tones.- 2042.24 g - (3)

107712533: Rose Quartz Flame Set – Soft... Estimate: Login

Oceanjaspis Sphere – Unique Natural Art with Fascinating Structures - striking textures and expressive color variety- 2223.34 g - (3)

107712568: Oceanjaspis Sphere – Unique... Estimate: Login

Lavender Rose Quartz & Garnierite (Green Moonstone) Dice Set – Hand-polished Natural stone cubes with soft pastel tones- 2412.11 g - (3)

107712645: Lavender Rose Quartz &... Estimate: Login

Majestic Green Opal Freeform Shapes Set – An extraordinary natural work of art in three unique sculptures.- 2000.07 g - (3)

107712683: Majestic Green Opal Freeform... Estimate: Login

Natural labradorite freeform from Madagascar – Spectacular color display and mystical depth- 2003.14 g

107712894: Natural labradorite freeform... Estimate: Login

Rare natural blue calcite sphere set – 3 hand-polished collectibles- 2318.41 g - (3)

107712952: Rare natural blue calcite... Estimate: Login

Rare natural blue calcite sphere set – 2 hand-polished collectibles- 2223.16 g - (2)

107713000: Rare natural blue calcite... Estimate: Login

Green Flower Agate Freeforms – An expressive trio with natural elegance – Natural artworks with floral structures- 2123.22 g - (3)

107713008: Green Flower Agate Freeforms –... Estimate: Login

Natural sphalerite rough crystal - Extraordinary rough specimen with intense fire optics and high transparency – 250.25 ct- 50.05 g

107713279: Natural sphalerite rough... Estimate: Login

Extremely Rare Natural Charoite Sphere Freeform- 227.38 g

107713286: Extremely Rare Natural... Estimate: Login

Majestic Kambaba Obelisk from Madagascar – 2.1 kg Naturkunst- 2118.73 g

107713291: Majestic Kambaba Obelisk from... Estimate: Login

Stunning amethyst on a stand — majestic crystal energy in an elegant display. Druze on stand, Uruguay- 12363.15 g

107713302: Stunning amethyst on a stand —... Estimate: Login

Natural amethyst druse set from Uruguay – Four unique pieces- 1446.27 g - (4)

107713307: Natural amethyst druse set... Estimate: Login

Natural azurite, chrysocolla & malachite from the Congo – A harmonious interplay of the Freeform- 736.55 g

107713311: Natural azurite, chrysocolla &... Estimate: Login

Natural amethyst druzy – an impressive natural work of art full of depth, shine and Radiant crystal splendor in violet- 9923.11 g

107713532: Natural amethyst druzy – an... Estimate: Login

Septarian Set – Three unique freeform shapes made from natural septarian. Fascinating Geometry of Nature- 2057.08 g - (3)

107713590: Septarian Set – Three unique... Estimate: Login

Fluorite Set – Harmony of Form, Color, and Naturalness a masterpiece of nature in harmony and color- 1842.31 g - (3)

107713708: Fluorite Set – Harmony of... Estimate: Login

Giant Mother of Pearl Shell Wonderful Sea Shell - Special XXL - 221mm !!! - Red Abalone - - Height: 221 mm - Width: 176 mm- 480 g

107713968: Giant Mother of Pearl Shell... Estimate: Login

Mother of Pearl Shell - Haliotis midae Sea shell - South African Abalone - 120 x 94 x 32 mm

107714099: Mother of Pearl Shell -... Estimate: Login

Mother of Pearl Shell - Haliotis midae – South African abalone - Height: 120 mm - Width: 90 mm- 70 g

107714122: Mother of Pearl Shell -... Estimate: Login

Sea Snail Sea shell - S-646 HEMIFUSUS TUBA (No reserve price)

107715083: Sea Snail Sea shell - S-646... Estimate: Login

Collectible shell from Japan - Sea shell - Epitonium Scalare - 49 x 30 x 30 mm (No reserve price)

107715330: Collectible shell from Japan -... Estimate: Login

Exceptional Great White Shark Tooth Upper Jaw A2 Tooth - Height: 44 mm - Width: 40 mm- 11 g - (1)

107715872: Exceptional Great White Shark... Estimate: Login

Ancient Iron Meteorite from Campo del Cielo, Argentina Extraordinary iron meteorite specimen - Height: 48 mm - Width: 44 mm- 189 g - (1)

107715975: Ancient Iron Meteorite from... Estimate: Login

Hakelia Fossil Fish Association – Upper Cretaceous, Hakel, Lebanon Late Cretaceous - 100 million years ago - Height: 300 mm - Width: 170 mm- 5174 g - (1)

107715978: Hakelia Fossil Fish... Estimate: Login

Crinoid Fossil Specimen on Slab - Scyphocrinites Elegans - Silurian (443.8 – 419.2 million years ago) - Height: 310 mm - Width: 190 mm- 2444 g - (1)

107716004: Crinoid Fossil Specimen on... Estimate: Login

Exclusive Fossil Slab with Cheiloceras Subpartitum and Kalloclymenia Subarmata - Early Devonian (419.2 – 393.3 million years ago) - Height: 335 mm - Width: 240 mm- 4369 g - (1)

107716013: Exclusive Fossil Slab with... Estimate: Login

Rare Jurassic Perisphinctes Ammonite Cluster - Natural grouping of well-defined ammonite shells - Height: 136 mm - Width: 80 mm- 638 g - (1)

107716017: Rare Jurassic Perisphinctes... Estimate: Login

Melo broderipii – Young Specimen – Philippines Juvenile Melo broderipii - Height: 108 mm - Width: 64 mm- 53 g - (1)

107716020: Melo broderipii – Young... Estimate: Login

Campanile Giganteum Shell: The Fossil Tower of the Miocene. - Fossilised shell - Campanile Giganteum Shell - 500 mm - 160 mm

107716902: Campanile Giganteum Shell: The... Estimate: Login

Sea snail┼ GEM ┼ Skeleton - Conus amadis - der Nachtjäger ┼ - 0 mm - 0 mm - 70 mm- Non-CITES species - (1)

107719258: Sea snail┼ GEM ┼ Skeleton -... Estimate: Login

Rare albino Endivia snail: Hexaplex endivia f. albino (90 mm) – Flawless pristine specimen Skeleton - Hexaplex endivia f. albino - 0 mm - 0 mm - 90 mm- Non-CITES species - (1)

107719435: Rare albino Endivia snail:... Estimate: Login

Natural group of Ammonites of the Genus Cleoniceras - Aioloceras Sp. - Early Cretaceous (145–100.5 million years ago) - Height: 136 mm - Width: 96 mm- 709 g - (1)

107742673: Natural group of Ammonites of... Estimate: Login

Rare Jurassic Perisphinctes Ammonite Cluster - Natural grouping of well-defined ammonite shells - Height: 130 mm - Width: 91 mm- 575 g - (1)

107742709: Rare Jurassic Perisphinctes... Estimate: Login

Bat Taxidermy full body mount - Cynopterus minutus - 16 cm - 12 cm - 0 cm - Non-CITES species

107764302: Bat Taxidermy full body mount... Estimate: Login

Nile Crocodile Skull - Crocodylus niloticus - 8 cm - 13 cm - 28 cm- CITES Appendix II - Annex B in the EU - (1)

107773022: Nile Crocodile Skull -... Estimate: Login

Coral - Silver - Necklace - PINK CORAL

107787459: Coral - Silver - Necklace -... Estimate: Login

Rajidae Carapace - Rajidae spp. - 15.5 cm - 5 cm - 5 cm - Non-CITES species - 1

107791496: Rajidae Carapace - Rajidae... Estimate: Login

Citrine - Geode - 41x19x17 cm- 10.7 kg

107795361: Citrine - Geode - 41x19x17 cm-... Estimate: Login

Themed collection - Shell collection / Gastropods

107811216: Themed collection - Shell... Estimate: Login

Blesbok Skull - Damaliscus pygargus phillipsi - 0 cm - 0 cm - 0 cm- non-CITES species

107823696: Blesbok Skull - Damaliscus... Estimate: Login

Fine Gorgonian Sea Fan / sea fan on a wooden pedestal Taxidermy full body mount - Gorgonian sp - 34 cm - 4 cm - 24 cm - non-CITES species

107824654: Fine Gorgonian Sea Fan / sea... Estimate: Login

Butterfly Taxidermy full body mount - Caligo atreus - 23 cm - 23 cm - 5 cm - Non-CITES species - 1

107832625: Butterfly Taxidermy full body... Estimate: Login

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Roman & Byzantine Coins
31 Oct 2026   |  Spain