AUSTRALIA. 500 Dollars, 2017-P. Perth Mint. Elizabeth II. NGC PROOF-70 Ultra Cameo.AGW: 2.0 oz. Mintage: 300. Pink Diamond edition. Fr-Unlisted; KM-Unlisted. One of the first 75 struck, this <strong>RARE </strong>and impressive kangaroo features an additional treat--the presence of a pink diamond held in the paws of the marsupial.