1982 (1983)年不丹1塞尔图姆精制金币。 发行量 1,000 枚。皇室75週年纪念。反面饰纹华丽,两龙环绕达磨轮。精制镜面底板,霜化图文。 BHUTAN. Sertum, 1982 (1983). PCGS PROOF-69 Deep Cameo. Fr-10; KM-56. 0.2356 oz AGW. Mintage: 1,000. Commemorating the 75th anniversary of the monarchy, this type features an ornate reverse with two dragons coiling around a Dharma Wheel. A brilliant Proof with hard mirrored fields and frosted cameo devices.