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<p>[QUOTE=&quot;Burton Strauss III, post: 2850426, member: 59677&quot;]I don&#039;t think it&#039;s that simple...</p><p><br /></p><p>The high level specifications are listed here:</p><p><a href="https://www.usmint.gov/learn/coin-and-medal-programs/coin-specifications" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.usmint.gov/learn/coin-and-medal-programs/coin-specifications" rel="nofollow">https://www.usmint.gov/learn/coin-and-medal-programs/coin-specifications</a></p><p><br /></p><p>That gives you 2.5% Cu, 97.5% Zn with weight of 2.5g, diameter and thickness (19.05mm and 1.52mm).</p><p><br /></p><p>I&#039;ve seen it stated that the thickness of the plating was increased after the first couple years to improve wear. The plating is a trivial portion of the 2.5% Cu.</p><p><br /></p><p><br /></p><p><br /></p><p>FYI - the two companies that produce cent blanks were identified (1996), here, <a href="http://www.gao.gov/assets/110/106568.pdf" target="_blank" class="externalLink ProxyLink" data-proxy-href="http://www.gao.gov/assets/110/106568.pdf" rel="nofollow">http://www.gao.gov/assets/110/106568.pdf</a> as</p><p><br /></p><p>Alltrista Zinc Products - now Jarden Zinc Products</p><p>LaSalle Rolling Mills which sort of seems to still be in business (in 1996, 90% of its work was cent blanks) (May now be known as Zinco)[/QUOTE]</p><p><br /></p>

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