4-COIN STERLING SILVER PROOF 1 CROWN COIN BOX SET BY POBJOY MINT. For sale an Isle of Man 4-Coin Sterling Silver Proof 1 Crown Coin Set 1980 to commemorate the Twenty Second Olympics Moscow 1980 , boxed.The set contains 4 Sterling Silver Proof 1 Crown coins each with a design related to Olympic disciplines. Each coin weighs 28.28g, diameter 38mm and is made of. The coins are contained in a Pobjoy Mint presentation box. There is some toning on one of the coins. PLEASE SEE IMAGES FOR CONDITION. Please leave feedback when item received and we will then leave feedback for you. The item "Isle of Man 4-Coin Sterling Silver Proof 1 Crown Set 1980 Moscow Olympics Boxed" is in sale since Tuesday, July 28, 2020. This item is in the category "Coins\Coins\British\Regional Issues\Isle of Man". The seller is "diamonddave73" and is located in London. This item can be shipped worldwide.