The coins are 1980 China Brass 1 Yuan Olympic Winter Games Lake Placid 4 Coin Proof Set. The set includes four proof brass coins, each with a denomination of 1 Yuan. The coins were minted in the People’s Republic of China and commemorate the 1980 Olympic Winter Games held in Lake Placid. The set is not certified by a third-party grading service. The four coins are in clear capsule and have some toning. You will receive the lot described in the title and shown in the pictures.