KM# 66 20 CENTS11.3000 g., Copper-Nickel, 28.5 mm. Ruler: Elizabeth II Obv:Young bust right Rev: Duckbill Platypus Note: For 1966 datedexamples, strikes from Canberra show a gap between sea lineand right face of platypus Australia Australia 1966 1967 1969 1972 1973 1975 1976 1978 1979 1981 1982 1983 1984