The 1 oz Gold Kangaroo coin is a gold bullion coin produced by Australia's renowned refinery Perth Mint. Each coin weighs 1 troy ounce and has a gold purity or fineness of 0.9999, i.e. 99.99% pure gold. 

The Perth Mint is both a mint and a refinery, and operates one of the largest and best known gold refineries in the world. The Perth Mint's refinery is accredited to the of the London Bullion Market Association's (LBMA) Good Delivery List for gold.

Each year, the kangaroo imagery on the Kangaroo Gold Bullion series of coins changes, which explains its popularity with both collectors and gold investors alike. The 1 oz Gold Kangaroo bullion coin is produced in an unlimited mintage.

The reverse face of the Gold Kangaroo coin features a head portrait of either Queen Elizabeth II or King Charles III, and the coin's face value of '100 dollars'. 

Gold Kangaroo bullion coins are non-circulating legal tender in Australia and are issued under the Australian Currency Act of 1965

The Gold Nugget was introduced in 1986 by the Gold Corporation, a company wholly owned by the government of Western Australia.