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<p>[QUOTE=&quot;dsmith23, post: 1372094, member: 30565&quot;]<b>Kennedy Half Dollar Composition</b></p><p><br /></p><p>&nbsp;The 1964 Kennedy Half Dollar and collectible silver proof versions issued from 1992 to present have a composition of <b>90% silver</b>. The balance of the composition is copper. The silver content measures 11.25 grams or 0.3617 ounces.</p><p>&nbsp;Kennedy Halves issued from 1965 to 1970 have a composition of <b>40% silver</b>.&nbsp; These coins are produced with an outer layer of 80% silver and 20%&nbsp; copper, plus an inner layer of 20.9% silver and 79.1% copper. The&nbsp; resulting net composition is 40% silver and 60% copper. The silver&nbsp; content measures 4.6 grams or 0.1479 ounces.</p><p>&nbsp;Kennedy Halves issued from 1971 to present are produced with a <b>copper nickel clad alloy</b>.&nbsp; An outer layer of 75% copper and 25% nickel is bonded to a core of pure&nbsp; copper. The resulting net composition is 91.67% copper and 8.33%&nbsp; nickel.</p><p><br /></p><p><br /></p><p>Edit: and your franklin halves, the ones before 1964 are 90% as well[/QUOTE]</p><p><br /></p>

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