The One Tonne Gold Coin £31m

In 2011, The Perth Mint achieved an incredible triumph with the successful casting of the world’s largest gold bullion coin, the Australian Kangaroo One Tonne Gold Coin, inspired by the enduring popularity of the annual Australian Kangaroo Gold Bullion Coin Series. Tipping the scales at a massive one tonne of 99.99% pure gold, the colossal …

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