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UHR technology question, about the strike
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<p>[QUOTE="Info Sponge, post: 901550, member: 20538"]Yes, annealing and reinsertion into the press preserving the alignment: <a href="http://coins.about.com/od/uscoins/a/uhr_saints.htm" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://coins.about.com/od/uscoins/a/uhr_saints.htm" rel="nofollow">http://coins.about.com/od/uscoins/a/uhr_saints.htm</a>. "According to Walter Breen's <i>Complete Encyclopedia of U.S. and Colonial Coins</i>, it took nine striking blows of the coining press, at an immense hydraulic force of 172 tons of pressure, to bring up the detail on the original UHR Double Eagles".</p><p><br /></p><p>So the original was kind of the SR-71 of coinage: a brilliant example of how far you can push technological achievement and destroy economics.[/QUOTE]</p><p><br /></p>
[QUOTE="Info Sponge, post: 901550, member: 20538"]Yes, annealing and reinsertion into the press preserving the alignment: [url]http://coins.about.com/od/uscoins/a/uhr_saints.htm[/url]. "According to Walter Breen's [I]Complete Encyclopedia of U.S. and Colonial Coins[/I], it took nine striking blows of the coining press, at an immense hydraulic force of 172 tons of pressure, to bring up the detail on the original UHR Double Eagles". So the original was kind of the SR-71 of coinage: a brilliant example of how far you can push technological achievement and destroy economics.[/QUOTE]
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