4 dollars 2008 - Canada - Triceratops skull, silver coin

In a series of 4 coins showing fossil of dinosaurs this is the second issue:

and features a complete Triceratops skull, a rare discovery that was made in Saskatchewan in 1967. This is a discovery that sends hearts pounding-and opens a window to the mystifying world of dinosaurs. Their fossilized bones testify to the massive beasts that once ruled the earth but dissappeared suddenly 65 million years ago. This distinctive looking dinosaur was 9 m long and weighed 6000 kg.

4 dollar 99,99 % silver in proof
weight: 15,87 grams
diam. 34 mm 
mintage: 20.000 coins

Delivered in an original Royal Canadian Mint box with certificate.