1976年蒙古25蒙戈精制银币。MONGOLIA. 25 Tugrik, 1976. NGC PROOF-69 Ultra Cameo. 1976年蒙古25蒙戈精制银币。盘羊。精制,霜面图文配以镜面底板,夺目诱人。MONGOLIA. 25 Tugrik, 1976. NGC PROOF-69 Ultra Cameo.KM-36. Featuring the Arfali Sheep. A brilliant and attractive Proof with hard mirrored fields and frosted cameo devices.