The unique kangaroo motif meticulously struck on these Perth Mint Gold bars adds even more beauty to pure Gold. Perth Mint Gold bars are meticulously struck from .9999-pure Gold. Each minted Gold bar bears the Perth Mint’s distinctive logo of a majestic swan on the front. The back of each Gold bar is decorated with kangaroo motifs, symbols of the Australian Outback where Gold has been mined in commercial quantities since 1851.