KM# 131 DOLLAR (Holey Dollar)31.1000 g., 0.9990 Silver 0.9988 oz. ASW Ruler: Elizabeth II Obv:Holey dollar with small silhouette of crowned Queen at top dividinglegend, value at bottom Rev: 2 crocodiles around hole Note: The“outer ring” coin issued with the center “plug” 25 cents, KM#132. Australia Australia 1989