In what year was the Royal Australian Mint opened?

The Royal Australian Mint Sydney, was opened as a branch of the Royal Mint London in 1855 and closed in 1926.

The Royal Australian Mint Melbourne, was opened as a branch of the Royal Mint London in 1872 and closed in 1967.

The Royal Australian Mint Perth, was opened as a branch of the Royal Mint London in 1899 and is still operating. It is currently owned by the Western Australian Government and is responsible for producing most of Australia's bullion.

The Royal Australian Mint Canberra, was opened in 1965 and is still operating. It produces all of Australia's circulating coins and mints coins for many other countries.