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4 hrs LeftAlbert de Grossouvre (1849-1932) – Paleontological Study of Ammonites – Lithograph (1894)Proverde Auctions4.4(55)US$5
3 days LeftJohn Wilkes (1750–1810) – Various Species of Holocentrus – Engraving (1810)Dahlstroms Auctioneer4.2(15)€20
Apr 26, 20262 Partially Polished Petrified Wood in Rhyolitic Ash SpecimensFossils & Gemstones of Houston4.4(27)US$100
Apr 22, 202610" x 8" Witch Moth Specimen - Thysania Agrippina.Weatherham Estate Treasures4(233)US$175
Apr 16, 202610" x 8" Witch Moth Specimen - Thysania Agrippina.Weatherham Estate Treasures4(233)US$180
Apr 19, 2026Rare Pyrite Ammonite, Lower Jurassic, Pliensbachian Stage, 190-182 million years BP. Nice PyriteHeartland Artifact Auctions4.7(878)US$10
Apr 19, 2026Colorful 2 1/4" Osceola / Graham Cave, Lincoln Co. Missouri. Well flaked with amazing Color. NiceHeartland Artifact Auctions4.7(878)US$10
5 days LeftLarge lot of assorted rocks and minerals from the estate of Charles J. Carlotti of the HudsonJMW Auction Service4.6(497)US$120(2 bids)
XXL Natural Arkansas CLEAR QUARTZ CRYSTAL Cluster on GREEN CHLORITE Specimen, Weight: 18 lbsWestern Sportsman LLC4.5(81)US$60(11 bids)
Apr 23, 2026XXL AMETHYST Crystal Geode Cathedral with Clear Quartz Deposits, Weight: 100 lbsWestern Sportsman LLC4.5(81)US$325(5 bids)
