CHINA 7 Coins 1981 PROOF SET In Coin Sets of All Nations Card. All coins dated 1981 and in proof grade. Packed by the Franklin Mint, USA. Track Page Views With. Auctiva’s FREE Counter. The item “CHINA 7 Coins 1981 PROOF SET in Franklin Mint Coin Sets of All Nations” is in sale since Monday, June 27, 2016. This item is in the category “Coins & Paper Money\Coins\ World\Asia\China\Mixed Lots”. The seller is “chinacoin” and is located in China. This item can be shipped worldwide.