4 dollars 2007 - Canada - Parasaurolopus fossil, silver coin
In a series of 4 coins showing fossil of dinosaurs this is the first issue:
The parasaurolophus was one of the 12 duck-billed dinosaurs that flourished throughout Alberta between 65 and 76 million years ago. It is easilt identified by the six-foot long crest curving out from the back of the head which paleontologists believe was used for communication. This distinctive looking dinosaur was 9 m long and weighed 3.500 kg.
4 dollar 99,99 % silver in proof
weight: 15,87 grams
diam. 34 mm
mintage: 20.000 coins