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<p>[QUOTE=&quot;Conder101, post: 4296805, member: 66&quot;]Sorry it took so long, had to go track down some source material.&nbsp; Found what I was looking for in:</p><p><br /></p><p>HEARINGS | BEFORE THE COMMITTEE ON BANKING AND CURRENCY, HOUSE OF REPRESENTATIVES EIGHTY-NINTH CONGRESS FIRST SESSION O H.R. 8746 (Superseded by H.R. 8926) A BILL TO PROVIDE FOR THE COINAGE OF THE UNITED STATES (Coinage Act of 1965)</p><p><br /></p><p>It discusses the different potential materials (P 183-191)</p><p><br /></p><p>Then in Appendix D-5 it discusses tests of blanking, upsetting, and coining&nbsp; 10 different compositions.&nbsp; The results are summarized and pictures of the different struck pieces next to a regular 90% silver quarter are shown.</p><p><br /></p><p>The materials were:</p><p>75 Copper - 25 Nickel</p><p>Cupronickel - Copper (the selected coppernickel clad composition)</p><p>Multilayer Composite 50 Silver - 50 Copper</p><p>Coin Silver - Copper Multilayer Composite</p><p>Columbium, Vendor I</p><p>Columbium, Vendor II</p><p>Zirconium</p><p>Monel</p><p>95% Nickel-5% Silicon with magnetic core (bright annealed after upsetting)</p><p>Type 301 Stainless Steel, Vendor I</p><p>Type 301 Stainless Steel, Vendor II</p><p>Type 302 Stainless Steel</p><p>and the conclusions are on page 403</p><p><br /></p><p>If you want to see it all for yourself this is a PDF link</p><p><a href="https://books.googleusercontent.com/books/content?req=AKW5QacMFfu2P_F06bYC_uoAPy56GvB4MtUiB0n7b0DdyVj9B_DtC3c6o29K_7QKHTBCot7QP0tdygz-1Lr1b_pHCFLIDh9fSDqq4LDs3r40CES4G-S-sscxFQrzWd56lQBrxOZK9k9znWsSacrKVKrDgBkJrhXuYYCtGVKjhqn4SUv1iYXZ4cF9-mXYMjjx9-iO_4ZbEZQ_sdz1HG-mVsYN-DeALjYBBlWKoqmD_DAC8Uqrx5hd1JnqMCQ_UaBcu8zlfPinM4Gd" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://books.googleusercontent.com/books/content?req=AKW5QacMFfu2P_F06bYC_uoAPy56GvB4MtUiB0n7b0DdyVj9B_DtC3c6o29K_7QKHTBCot7QP0tdygz-1Lr1b_pHCFLIDh9fSDqq4LDs3r40CES4G-S-sscxFQrzWd56lQBrxOZK9k9znWsSacrKVKrDgBkJrhXuYYCtGVKjhqn4SUv1iYXZ4cF9-mXYMjjx9-iO_4ZbEZQ_sdz1HG-mVsYN-DeALjYBBlWKoqmD_DAC8Uqrx5hd1JnqMCQ_UaBcu8zlfPinM4Gd" rel="nofollow">https://books.googleusercontent.com/books/content?req=AKW5QacMFfu2P_F06bYC_uoAPy56GvB4MtUiB0n7b0DdyVj9B_DtC3c6o29K_7QKHTBCot7QP0tdygz-1Lr1b_pHCFLIDh9fSDqq4LDs3r40CES4G-S-sscxFQrzWd56lQBrxOZK9k9znWsSacrKVKrDgBkJrhXuYYCtGVKjhqn4SUv1iYXZ4cF9-mXYMjjx9-iO_4ZbEZQ_sdz1HG-mVsYN-DeALjYBBlWKoqmD_DAC8Uqrx5hd1JnqMCQ_UaBcu8zlfPinM4Gd</a>[/QUOTE]</p><p><br /></p>

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