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<p>[QUOTE=&quot;johnmilton, post: 7582372, member: 101855&quot;]If you read Dr. Sheldon, the copper in the earliest U.S. copper coins came from wherever the mint personnel could find it. That included old cooking utensils and any other source. While they were at it, the sources were not always pure so traces of other metals were in the coins too. </p><p><br /></p><p>There was a time in the summer of 1793 when the quality of the copper used in the large cents and half cents was really bad. I&#039;ve seen a lot of Sheldon 11 large cents that were similar to this piece with a darker area on the obverse. Sometimes you find piece with large laminations, </p><p><br /></p><p>[ATTACH=full]1306675[/ATTACH] </p><p>[ATTACH=full]1306677[/ATTACH] </p><p><br /></p><p>Sometime around 1796 or so, the mint started to important planchets from England that were made by Bolton and Watt. This continued until the War 1812 when England embargoed the shipments. </p><p><br /></p><p>In the 1820s and &#039;30s, the mint bought its planches from a firm in Massachusetts.[/QUOTE]</p><p><br /></p>

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