This set of gold and silver commemorative coins, including 1/4 ounces of gold coins 1, 1 ounces of silver coins 1, are legal tender in People's Republic of China (PRC). 1/4-ounce round gold commemorative coin, denomination 100 yuan, with a maximum circulation of 30,000 pieces. 1 ounce round silver commemorative coin denomination 10 yuan, with a maximum circulation of 60,000 pieces. Commemorative coins were minted by Shenzhen Bao Guo Mint Co., Ltd. and Shanghai Mint Co., Ltd.