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Size question about AGE, AGB and the UHR coins
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<p>[QUOTE="fatima, post: 919668, member: 22143"]It's not filler. It's 21 carat gold alloy. Remember these coins were meant to circulate and thus they alloyed it with another metal to harden up the coin. Pure gold is too soft. This is also the reason you almost never see pure gold jewelry. </p><p><br /></p><p>American gold coins originally used crown gold. This was an alloy of 90% gold and 10% silver and copper. Some time before the start of the 19th century, they removed the silver and the coins were gold and copper. I 1 ounce gold coin still had 1 ounce of gold, but it weighs more than 1 ounce. The current American Gold Eagle uses this same composition. </p><p><br /></p><p>The gold alloy was pretty much the standard for all gold coins until the Canadians came out with the 24 carat gold maple. Since then, most mints have come out with competing coins. The US Mint's pure gold coin is the Buffalo.[/QUOTE]</p><p><br /></p>
[QUOTE="fatima, post: 919668, member: 22143"]It's not filler. It's 21 carat gold alloy. Remember these coins were meant to circulate and thus they alloyed it with another metal to harden up the coin. Pure gold is too soft. This is also the reason you almost never see pure gold jewelry. American gold coins originally used crown gold. This was an alloy of 90% gold and 10% silver and copper. Some time before the start of the 19th century, they removed the silver and the coins were gold and copper. I 1 ounce gold coin still had 1 ounce of gold, but it weighs more than 1 ounce. The current American Gold Eagle uses this same composition. The gold alloy was pretty much the standard for all gold coins until the Canadians came out with the 24 carat gold maple. Since then, most mints have come out with competing coins. The US Mint's pure gold coin is the Buffalo.[/QUOTE]
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Size question about AGE, AGB and the UHR coins
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