30000 Dollars - Elizabeth II 4th Portrait - Year of the Monkey - Gold Bullion Coin

This is the one-tonne gold coin, a format Perth Mint introduced in 2011 and has reissued for subsequent lunar series entries. At 10,000 grams of .9999 fine gold, it is among the largest legal-tender gold coins produced by any sovereign mint. The $30,000 face value is nominal — the metal content alone places its market value orders of magnitude higher, making the denomination functionally irrelevant.

Fewer than a handful of examples exist for any given year issue. The 2011 inaugural piece required a custom furnace configuration to achieve the pour.