Click to expand Tap to zoom 1990 Australia Nugget $50 Dollar 1/2 Ounce Gold Coin - BU in Plastic $1,495.00 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart 1990 Australia Nugget $50 Dollar One Half Ounce .999 Gold Coin. Uncirculated in plastic holder--see photos. _gsrx_vers_841 (GS 7.0.16 (841))