2019年澳门钱币学会年会银质20盎司纪念熊猫,直径90mm,成色99.9%,精製镜面,发行量100枚,钱币编号#1,带证书,2019 2nd Bay Area Macau Special Numismatic ExhibitionCHINA 2019 Macau Numismatic Society commemorative silver panda medal 20 Oz .999 Silver proof,diameter 90mm,Serial Number#1,Mintage 100,with certificate