The Perth Mint even made a 1 tonne coin in 2011 using a face worth of $1 million! This generation broke the record for the largest and most worthy gold coin ever. Additionally, there are Australian Gold Lunar bullion coins, with .9999 purity, that feature animals in the Chinese calendar https://darkwebmarketsothercurren85034.wikiap.com/668764/detailed_notes_on_1_oz_china_panda