CHINA (PEOPLE'S REPUBLIC): 7-coin proof set, 1981, KM-PS7, set includes 1, 2, 5 fen, 1, 2, 5 jiao and 1 yuan, plus a Lunar Year of the Rooster copper medal, housed in the original holder and slip cover, issued by the People's Bank of China, set of 8 items.
Estimate: 1,500-1,600 USD