A nice, partial digit bone from Edmontosaurus Annectens in a display box. 
Edmontosaurus was truly huge, measuring up to 12 meters and, weighing up to 5.6 tonnes. Despite it's size, the fossil record shows it was one of the preferred prey items of Tyrannosaurus Rex.
 
Location: Lance Creek Formation
 
Age: 67 million years old
 
Length of fossil: 1.79 x 1.61 inches