MS-69 by NGC! Mintage no greater than 30,000 coins!
These popular one ounce coins are struck in .9995 fine platinum. The reverse features the iconic platypus underwater with plant life and bubbles. The outer edge reads "AUSTRALIAN PLATYPUS" and "2012 1 oz 9995 PLATINUM". The obverse displays Queen Elizabeth II encircled by "AUSTRALIA - 100 DOLLARS - ELIZABETH II".