KM# 231 10 DOLLARS 311.0350 g., 0.9990 Silver 9.9896 oz. ASW, 75 mm. Ruler:Elizabeth II Subject: The Australian Kookaburra Obv: Crownedhead right, denomination below Rev: Pair of Kookaburras onbranch, square mark above date below Note: Illustration reduced. Australia Australia 1993