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What is the alloy in Mint commemerative gold coins?
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<p>[QUOTE="ClairHardesty, post: 1335969, member: 34169"]Commemoratives are the same composition as the last gold coins minted for circulation, 90% gold and 10% copper and are also issued in the same weights, a $5 gold piece contains 0.241875 Toz of gold. The American gold Eagles are 91.67% gold, 5.33% copper and 3% silver and contain a full Troy ounce of gold (or even fractions thereof). The classic silver dollar and the classic double Eagle obey the classic 16:1 ratio of gold to silver value, a silver dollar contained about 0.77346 Toz of silver worth $1 a double eagle contained about .09675 Toz of gold worth $20. One dollar of gold would be 0.048375 Toz and 0.77346/0.048375 = 15.988. The Original Sixteen-to-One mine is still in operation in the foothills of California, now operated by a small group of die hard miners.[/QUOTE]</p><p><br /></p>
[QUOTE="ClairHardesty, post: 1335969, member: 34169"]Commemoratives are the same composition as the last gold coins minted for circulation, 90% gold and 10% copper and are also issued in the same weights, a $5 gold piece contains 0.241875 Toz of gold. The American gold Eagles are 91.67% gold, 5.33% copper and 3% silver and contain a full Troy ounce of gold (or even fractions thereof). The classic silver dollar and the classic double Eagle obey the classic 16:1 ratio of gold to silver value, a silver dollar contained about 0.77346 Toz of silver worth $1 a double eagle contained about .09675 Toz of gold worth $20. One dollar of gold would be 0.048375 Toz and 0.77346/0.048375 = 15.988. The Original Sixteen-to-One mine is still in operation in the foothills of California, now operated by a small group of die hard miners.[/QUOTE]
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