Australian Gold Nugget animals from the Chinese calendar instead of the kangaroo. Australian Gold Nugget The Australian Gold Nugget is a gold bullion coin minted by the Perth Mint. The coins have been minted in denominations of oz, oz, oz, oz, 1 oz, 2 oz, 10 oz, and 1 kg of 24 carat gold. They have legal tender status in Australia and are one of few legal tender bullion gold coins to change their design every year, another being the Chinese Gold Panda. This and their limited annual mintage may, unlike for many other bullion coins, raise their numismatic value over the value
Carat (mass) Carat (mass) The carat (ct) (not to be confused with the karat, sometimes spelled carat, a unit of purity of gold alloys), is a unit of mass equal to 200 mg (0.2 g; 0.007055 oz) and is used for measuring gemstones and pearls. The current definition, sometimes known as the metric carat, was adopted in 1907 at the Fourth General Conference on Weights and Measures, and soon afterwards in many countries around the world. The carat is divisible into one hundred "points" of two milligrams each. Other subdivisions, and slightly different mass values, have been used in the past in