This listing is for a partial Tyrannosaurus Rex dinosaur tooth from the Lance Formation of Eastern WY, Weston County. It was found in two pieces, is missing the tip and has excellent black enamel and serrations. How robust the serrations and cross section of the tooth is suggests it is very likely from a young Tyrant Lizard King! The tooth comes with its own gem display case and COA upon request and would truly make great addition to any fossil collection.