2013 $1 Australian Map Shaped Platypus 1oz Silver Coloured CoinThe coin's coloured reverse depicts a platypus against the background of a tropical waterfall and river. The inscription PLATYPUS also appears in the design with The Perth Mint's traditional 'P' mintmark and year date. The Australian platypus is one of the most unique creatures on earth, so unusual that it was once believed to be a hoax! This creature is egg laying and produces milk for its young. Living along riverbanks and streams, it possesses the