1977-FM巴拿马美洲国家组织(OAS)成立纪念精铸金币500巴尔博亚,重41.7克,含.999金,含金量1.21安士,NGC PF70 Ultra Cameo,#5987348-024,连原包装及证书。 Panama, gold proof 500 Balboas, 1978-FM, commemorative issue for founding of the Organisation of American States (OAS), weighs 41.7g containing .900 gold, AGW 37.5g (1.21oz),NGC PF70 Ultra Cameo, #5987348-024. With original packaging and certificate of authenticity.