1 oz Gold Perth Bar, Australia's Perth Mint, this bar is made of the most pure form of gold: 24 karat or 0.9999 fine gold, Each bar comprises 1 oz of .9999 pure goldEach bar comes with an Assay card with authenticationIn 1899, the United Kingdom's Royal Mint established a third Australian colonial branch - after the no longer operating Sydney and Melbourne facilities - in Perth. Only two years later,2,787.98