1997年中国澳门回归系列第一组50元精铸银币「一国两制」，重5安士，NGC PF69 Ultra Cameo，#6469730-003，附原盒及证书，发行3500枚。 Peoples Republic of China, silver proof 50 yuan, 1997, Return of Macau to China commemorative issue series I, One Country Two Systems, ASW 5oz, NGC PF69 Ultra Cameo, cert. #6469730-003, with original packaging, box and certificate of issue, mintage of 3500 pieces
