1981年中国出土文物(第1组)纪念金币1盎司铜象尊等一组2枚 NGC PF 70
CHINA. "Bronze Age Finds" Archaeological Gold Proof Set, 1981.Fr-9/12; KM-PS8. 4 pieces in set. Includes original case of issue, with certificate of authenticity #307. Of the 1,000 sets authorized to be minted, reportedly only 200 sets were actually released. A similar set realized $60,375 in our December, 2010 Hong Kong Auction, Lot #1088.NGC PROOF-69 ULTRA CAMEO (3) & NGC PROOF-70 ULTRA CAMEO.