1988-97年中华人民共和国第二轮生肖银币一组10枚,带证书,均NGC PF67-PF69。Peoples Republic of China, a group of 10x silver Chinese horoscope coins (second series), all with a 10 yuan denomination, 1988 to 1997 inclusive, all the coins come witheir original certificate of authenticity,NGC PF67 (Rat), PF68 (Snake and Pig) and the others PG69 (10 coins in total)