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<p>[QUOTE=&quot;TheNickelGuy, post: 8230240, member: 20201&quot;]<b><font size="6">1960&#039;s First Steam Coinage</font></b></p><p><b>Restrike</b></p><p><b>US Mint - Gobrecht</b></p><p><br /></p><p>[ATTACH=full]1446745[/ATTACH] </p><p>[ATTACH=full]1446746[/ATTACH] </p><p><br /></p><p>This restrike medal is Bronze, about 13 grams, 28 mm</p><p>Originals were 100% copper weighed 10.89 grams and were 28-29 mm</p><p><br /></p><p>First Steam Coinage U.S. Mint Medal. This is medal is a restrike of the elusive 1836 medal engraved by Christian Gobrecht. The originals were struck on Large Cent planchets.</p><p>These were struck by the U.S. Mint in the 1960s. It is still sealed in its original plastic.</p><p><br /></p><p>1836 First Steam Coinage</p><p>The centuries old hammer method of coinage was modernized in the middle 16th century with the first working screw press employed in Augsburg, Germany. An advance on the screw press was the lever press, also known as a knuckle-joint press, invented in 1812, and perfected by a Paris machinist named M. Thonnelier two decades later in 1833.</p><p>Rather than build these presses himself, he sold his drawings and plans to various mints. One of the buyers was U.S. chief coiner Franklin Peale, who was on a two-year tour of Europe, visiting various mints on that continent. The first knuckle-joint coining press in America was built by Merrick, Agnew, and Tyler. </p><p><br /></p><p>[ATTACH=full]1446747[/ATTACH]</p><p>&nbsp;</p><p>Unlike the original mint building, the second facility at the corner of Chestnut and Juniper Streets in Philadelphia was designed to utilize steam power. The first steam-powered coining press was expected to debut on February 22, 1836, but a mechanical problem delayed the initial operation until March 23. Sample dies were prepared with the February date, with a few impressions struck on screw presses in anticipation of the event. However, the delayed initial operation meant that those dies were overdated, with MAR 23 engraved over FEB 22. Once all was set, the First Steam Coinage medals were struck on large cent planchets.[/QUOTE]</p><p><br /></p>

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