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Gem and Fossil Auction

Lot 343:

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2 7/8" Tully Monster Fossil- Tail Only-found in the Mazon Creek, in either Will or Grundy County, IL. This is the Illinois State Fossil

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Start price: $5

Estimated price: $10 - $1,155

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Description

2 7/8" Tully Monster Fossil- Tail Only-found in the Mazon Creek, in either Will or Grundy County, IL. This is the Illinois State Fossil, and this specimen, while not complete, is excellent for a collector or rare fossils!