CHINA (PEOPLES REPUBLIC): 7-coin proof set, Shanghai mint, 1981, KM-PS7, set included 1, 2, 5 fen, 1, 2, 5 jiao and 1 yuan, plus "Year of the Rooster" copper medal, mintage of 10,000 sets, all housed in original paper holder of issue, set of 7 coins, S.