World's largest selection of fossil rubber stamps

Visit the world's largest selction of fossil rubber stamps at Butter Side Down Stamps. Eleven new designs have just been added. We have exquisite stamps for classy fossil enthusiasts. Collect some for yourself or give them as a gift.

See our newest fossil designs and more than 200 other stamps at Butter Side Down Stamps!

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Eocene Green River Fish Fossil Priscacara

There's a reason collector's love the Green River Formation of Wyoming. The fish there never go bad even after 50 million years! Cracking open some limestone and catching an Eocene fish is such a treat. This one is probably a fragment of Priscacara.

Fossil Collector: Walt S.

Green River Formation, WY

Find Priscacara Rubber Art Stamps and other fossil stamps at Butter Side Down Stamps!

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15 new fossil rubber stamps

Butter Side Down Stamps has 15 new fossil stamp designs! New trilobites, new ammonites, fish fossils and more!

See all the new stamps at Butter  Side  Down  Stamps!

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Shark teeth rubber stamps 7 differetn stamps!

The new shark teeth rubber stamps are here featuring Carcharodon megalodon, tiger, notidonus, lamna, hemipristis, hybodus and makeral shark! Actual stamps shown. High quality art stamps mounted on sustainable harvest maple blocks. Click the link below for full details.

Shark Teeth Rubber Stamps

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Trilobite rubber art stamps from Butter Side Down

Experience the Paleozoic in rubber stamp form!

See all 12 trilobites

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