2011年中国世界自然基金会五十週年精铸金银币,包括10元银币及100元金币,重1盎司及0.25盎司,银币评NGC PF69 Ultra Cameo,金币评PF70 Ultra Cameo,附原盒及证书。People s Republic of China, The 50th Anniversary of the World Wide Fund for Nature (WWF), silver 10 yuan and gold 100 yuan, 1 oz and 0.25 oz respectively,the silver NGC PF69 Ultra Cameo, the gold PF70 Ultra Cameo. With the original packaging, box and certificate of issue (2)