1 Yuan, 5 Jiao, 2 Jiao, and 1 Jiao are dated 1981. 5 Fen, 2 Fen dated 1982 and 1 Fen dated 1977. Track Page Views With. Auctiva’s FREE Counter. The item “CHINA 7 Coins 1977-1982 COIN SETS OF ALL NATIONS” is in sale since Friday, September 09, 2011. This item is in the category “Coins & Paper Money\Coins\ World\Asia\China\Mixed Lots”. The seller is “chinacoin” and is located in YAN TAI. This item can be shipped worldwide.