Genuine Tyrannosaurus Rex bone. Confirmed pieces of T Rex bone with good internal and external details. The pieces were collected on private land (with permission) from the Hell creek formation. Dated to around 65 million years old they were found in South Dakota - USA. You will receive one boxed piece similar to those shown and they will measure around 10 - 15mm long. Although the pieces are small you will own a piece of the King of the Dinosaurs.