2012 HM Elizabeth 2 Diamond Jubilee Two Coin Proof Set. The Diamond Jubilee Two Coin set commemorates the 1952 Royal Accession and the 1954 Tour, Each coin is 1 oz Fine Silver, with no more than 1000 issued by the Perth Mint, this is number 0779 and comes with a certificate of authenticity. Please contact Adelaide Exchange Jewellers to find out more on this item.