People's Republic of China, set of 12 coins issued for the 1980 Winter Olympics at Lake Placid, consisting of 8 brass 1 yuan, 1 silver 20 yuan and 3 silver 30 yuan,the brass coins PCGS PR66DCAM to PR69DCAM and the silver all graded PCGS PR68DCAM. The brass coins often in very poor shape and difficult in high grades. With original boxes and packaging as per the catalogue image (12).
Estimate: 5000 - 8000