2013 $1 Australian Opal The Pygmy Possum 1oz Silver Proof CoinThe pygmy possum is a mouse sized marsupial with a long, prehensile tail that can curl around and grip branches, often found in a leaf lined nest in tree hollows. The coins reverse incorporates an inner panel design of a pygmy possum on a Banksia branch, detailed in pure Australian opal. The outer panel of the coin depicts Banksia leaves and blossoms, a waxing gibbous moon and the Southern Cross a renowned star group that is only visible in the