1870 Sydney Mint Proof Sovereign struck at the Royal Mint London Perfection in gold and unique

This 1870 Sydney Mint Proof Sovereign is the only known example.

There are no recorded examples in public institutions, museums and Government archives, both in Australia and overseas. And this includes the Museum of Victoria, the Royal Australian Mint in Canberra, the British Museum and the Royal Mint London, all of which have extensive holdings of Australia’s heritage coins.

John Brodribb Bergne Collection, Sothebys London 26 May 1873 • J Halliburton Young Collection, Sotheby, Wilkinson & Hodge 7 April 1881 • Montague Collection, Sotheby Wilkinson & Hodge 1896 & 1897 Lot 309 • John Gloag Murdoch Collection, Sotheby 26 July 1903 Lot 619 • Captain Vivian Hewitt Spink 1967 • Baldwin Collection, London • Spink Australia November 1978 Lot 564 • Spink Australia July 1981 Lot 989 • Spink Australia July 1988 Lot 2304 • Sale by Private Treaty Barrie Winsor to Downies 1999 • Sale by Private Treaty Coinworks to Madrid Collection of Australian Rare Coins 2000