Large Polished Spiral Fossil Shell SpecimenEstimate: $1,500 - $2,000Current Bid - 1 bid$500Hollywood, FLWilliamson Auction Gallery4.7(384)
Wall Mounted Ammonite Fossil SpecimenEstimate: $200 - $800Starting Bid$50Hollywood, FLLion and Unicorn4.7(2.6k)
Natural Ammonite Fossil SpecimenEstimate: $200 - $300Starting Bid$5Hollywood, FLWilliamson Auction Gallery4.7(384)
Fossil Ammonites Kosmoceras SpecimenEstimate: $300 - $500Current Bid - 1 bid$100Astoria, NYAuctions at Showplace4.6(856)
Six Fossilized Ammonite And Cephalopod Fossil SpecimensEstimate: $6 - $10,000Current Bid - 2 bids$16Arlington Heights, ILDenotter Auctions, LLC4.6(1.2k)
Large Polished Cleoniceras Fossil Ammonite Display SpecimenEstimate: £300 - £400Starting Bid£260Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Fossil Ammonites Specimens, 3Estimate: $300 - $500Starting Bid$100Astoria, NYAuctions at Showplace4.6(856)
Fossil Fern Neuropteris SpecimenEstimate: $300 - $500Current Bid - 1 bid$100Astoria, NYAuctions at Showplace4.6(856)
Early Horse Fossil Bone SpecimenEstimate: £20 - £30Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Fossil Woolly Rhino Bone SpecimenEstimate: £50 - £70Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Large Fossil, Petrified Wood, and Mineral CollectionEstimate: $300 - $500Current Bid - 1 bid$150Windsor, CTNadeau's Auction Gallery4.7(456)
A Japanese heteromorphic ammonite (Nipponites mirabilis)Estimate: $100 - $200Current Bid - 1 bid$50Oakland, CAClars Auctions4.6(1k)
Coral Specimens Fossils Stone Spear PointsEstimate: $50 - $500Starting Bid$5Bloomington, INEstate & Downsizing Specialists LLC4.4(14)
Very Large Fossil Clypeaster Sea Urchin SpecimenEstimate: £120 - £170Starting Bid£110Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Javanese Fossil Wood SpecimenEstimate: £40 - £60Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Large Fossil Parkinsonia Ammonite SpecimenEstimate: £80 - £100Starting Bid£5Harwich, EssexTimeLine Auctions Ltd.4.6(203)
Ends in 2d 14h8-piece Assorted Rock, Mineral And Fossil Specimen Lot With Sea Moss, Invertebrate FossilsEstimate: $8 - $25Starting Bid$5Seattle, WASeattle Magpies4.4(39)
Assorted Natural Mineral and Fossil SpecimensEstimate: $15 - $30Starting Bid$5Okemos, MIKellie's Estate Sales4.6(215)
Fossil Dragonfly Aeschnogomphus IntermediusEstimate: $400 - $600Current Bid - 6 bids$325Astoria, NYAuctions at Showplace4.6(856)
Smoky Quartz Crystal SuisekiEstimate: $2,000 - $3,000Starting Bid$1,000San Rafael, CAFine Estate, Inc. 4.6(191)
Buy NowFossil Plant Leaf Impressions in Matrix, Group of Four Specimens$300Louisville, COArtemis Fine Arts4.8(1.5k)
Two Fossilized Megalodon Shark TeethEstimate: $300 - $500Starting Bid$150Atlanta, GAAhlers & Ogletree Auction Gallery4.5(655)
Large Fossil Whale Spine Display, Mineralized Vertebrae, Florida FindEstimate: $8,000 - $12,000Starting Bid$2,500Louisville, COArtemis Fine Arts4.8(1.5k)
30.2 Carat Untreated Burma Pink Sapphire Loose GemstoneEstimate: $5,000 - $8,000Starting Bid$500Hollywood, FLLion and Unicorn4.7(2.6k)