1979年美国自然遗产银章套装,内有26枚一安士24K包金银章,不同程度的氧化,附原装木盒一个。United States,America s Natural Legacy Medals Collection, Longines Symphonette, 1979, 26 pieces out of 36, 24k gold plated sterling silver, each minted in high relief and most striking,varying degrees of oxidation, in their original wooden box of issue. Approximately 26 oz of silver