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白铜
1340 产品
显示 97 - 144 共 1340 个产品
铜镍合金硬币收藏,精选由铜镍合金制成的精美硬币。铜镍因其优异的耐磨性和美观的外观而闻名,百余年来一直是铸币的热门选择。该系列展示了铜镍硬币的美丽与实用性,涵盖来自不同国家和时代的作品。我们铜镍合金收藏中的每一枚硬币都是这一材料持久传承的见证,展现了精细的设计和重要的历史里程碑。无论是收藏家还是爱好者,我们的铜镍硬币都提供了艺术性与功能性的独特结合。
史实:
- 时间:铜镍合金自19世纪中叶以来一直用于铸币。大英帝国首次在1860年将其用于“青铜”便士。
- 原因:铜和镍的结合创造了一种既耐腐蚀又耐用的合金,同时保持了具有吸引力的银色外观。这使其非常适合需要经受频繁使用而不失光泽的硬币。
- 有趣的事实: 在第二次世界大战期间,由于纯金属的稀缺,许多国家转向使用铜镍合金制造硬币。在美国,1942年至1945年的杰斐逊五分镍币由56%铜、35%银和9%锰制成,取代了战前的镍合金。如今,许多现代硬币,包括欧元和若干英联邦硬币,都是由铜镍合金制成的,因为它兼具实用性和美观性。
显示 97 - 144 共 1340 个产品
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Soviet Union 1 Ruble Coin | Anton Chekhov | Hammer and Sickle | Y240 | 1990
售价$8.46
正常价格$16.91
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