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<p>[QUOTE="ClairHardesty, post: 1303775, member: 34169"]There is a lot more variation among bullion coins than there is among uncirculated versions. Bullion coins are struck faster at lower force and the die are used much longer. In addition to using burnished planchets, the die for uncirculated coins are specially prepared and higher forces are used. After striking, uncirculated coins are treated like proofs, handled individually. While Tom Jurkowsky made it absolutely clear that all of the bullion coins in the sets were struck in SF, he did not say if they had been struck specifically for the set or pulled from stock. Based on what appears to be normal production variation, they were probably pulled from stock. When the die are new, bullion coins do appear a lot like the uncirculated coins except for the previously mentioned lower detail caused by lower strike forces. However, even these coins, if circulated, would lose their satin appearance much faster than an uncirculated coin would. A large part of the satin finish on the uncirculated coins is imparted deliberately from the specially prepared die surfaces and is "deeper" than the finish on the bullion coins.[/QUOTE]</p><p><br /></p>
[QUOTE="ClairHardesty, post: 1303775, member: 34169"]There is a lot more variation among bullion coins than there is among uncirculated versions. Bullion coins are struck faster at lower force and the die are used much longer. In addition to using burnished planchets, the die for uncirculated coins are specially prepared and higher forces are used. After striking, uncirculated coins are treated like proofs, handled individually. While Tom Jurkowsky made it absolutely clear that all of the bullion coins in the sets were struck in SF, he did not say if they had been struck specifically for the set or pulled from stock. Based on what appears to be normal production variation, they were probably pulled from stock. When the die are new, bullion coins do appear a lot like the uncirculated coins except for the previously mentioned lower detail caused by lower strike forces. However, even these coins, if circulated, would lose their satin appearance much faster than an uncirculated coin would. A large part of the satin finish on the uncirculated coins is imparted deliberately from the specially prepared die surfaces and is "deeper" than the finish on the bullion coins.[/QUOTE]
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