2015 - $20 - 1 oz. Fine Silver Coloured Coin – Butterflies of Canada : Giant Sulphur

The giant sulphur (Colias Gigantea) steals the show on this breathtaking coin. It is one of Canada's largest sulphurs with a wingspan of 37 to 55 mm and is one of the few butterfly species known to inhabit the Arctic. Most people will spot this wonder throughout the northern and western regions of Canada, in moist areas like bogs, meadows and roadside ditches where willows and flowers are plentiful.

Specifications
No. 143786
Mintage 10000
Composition 99.99% pure silver
Finish proof
Weight (g) 31.83
Diameter (mm) 40
Edge serrated
Certificate serialized
Face value 20 dollars
Artist Celia Godkin (reverse), Susanna Blunt (obverse)