拍品描述： Panda Series. 25 pieces in lot. Obverse features the baby Giant Panda Bao Bao at the national zoo. The reverse depicts the great wall of China and the Smithsonian institutions headquarters in Washington, D.C. All are in NGC holders and each includes a certificate of authenticity with serial numbers from 1183 to 1228. Close personal inspection is advised and will reward the diligent bidder. All without tone, haze or fog.，NGC PROOF-70 ULTRA CAMEO...