Project Page: Perth Mint Perth Mint The Perth Mint Heritage Protection & Preservation The Perth Mint is Australia's oldest operating Mint, established in 1899 to mint gold sovereigns for the British Empire. The Mint is owned by the Western Australian Government and is Australia's specialist precious metals mint, producing collector and investment coins for world markets. Perth Mint coins and bars are internationally recognised. In 1987 the sandstone exterior was thoroughly renovated & cleaned, revealing the beautiful facade. To ensure that the natural appearance would be maintained into the new century, the Mint decided to protect the freshly cleaned stone surfaces with a single flood-on application of Cementaid DRIWAL P6 Preservation Treatment. DRIWAL P6 consists of a water-repellent si

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