Save2026Albert de Grossouvre (1849-1932) – Study of Ammonite Fossils – Lithograph (1894)Proverde Auctions4.4(53)See Sold Price
Save2026Albert de Grossouvre (1849-1932) – Study of Various Ammonite Fossils – Lithograph (1894)Proverde Auctions4.4(53)See Sold Price
Save2026AGATE SLICES ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.3(494)See Sold Price
Save2026Italian Pietra Paesina Stone SpecimenTwo Feathers Antiques & Auction Services / Schillaci & Shultis4.5(84)See Sold Price
Save20262" Natural Rock Crystal Sphere SpecimenTwo Feathers Antiques & Auction Services / Schillaci & Shultis4.5(84)See Sold Price
Save2026Western Asiatic Style Amethyst Ram-Headed Gaming PieceTimeLine Auctions Ltd.4.6(197)See Sold Price
![Mosasaur 'Marine Dinosaur' Tooth with Root: Cretaceous Period, circa 145-66 million years B.P. A Mosasaur prognathodon tooth with some root, showing good enamel; repaired. 120 grams, 13.2 cm (5 1/4 in.). [No Reserve] From a Cambridgeshire, UK,](https://p1.liveauctioneers.com/1191/405225/225127516_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
![Polished Fossil Orthoceras Column: Devonian Period, circa 400 million years B.P. Comprising variously sized polished Orthoceras sp. specimens on a textured freestanding matrix. 1.34 kg, 21.5 cm (8 1/2 in.). [No Reserve] From Morocco. F](https://p1.liveauctioneers.com/1191/405225/225127553_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
![Fossil Ceratarges Trilobite: Devonian Period, circa 400 million years B.P. Likely Ceratarges spinosus showing the distinctive protective spines. 190 grams, 79 mm (3 1/8 in.). [No Reserve] From a Cambridgeshire, UK, collection. Ti](https://p1.liveauctioneers.com/1191/405225/225127554_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
![Western Asiatic Style Amethyst Ram-Headed Gaming Piece: 20th century A.D. Carved in the round head of a ram with a flared base. 117 grams, 51 mm (2 in.). [No Reserve] Private collection, UK. TimeLine Auctions follows a rigorous vetting process to ensure th](https://p1.liveauctioneers.com/1191/405225/225127338_1_x.jpg?height=280&quality=70&sharpen=true&version=1769779778&width=280)
