CHINA (PEOPLES REPUBLIC): 7-coin proof set, Shanghai Mint, 1981, KM-PS7, including aluminum 1, 2, 5 fen, brass 1, 2, 5 jiao, and copper-nickel 1 yuan, plus a Lunar Year of the Rooster copper medal, housed in the original holder and slip cover, issued by the Peoples Bank of China, brilliantly lustrous with deep reflectivity, some pieces with lightly hazy surfaces; set of 8 pieces.