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What is the purity of the silver layers in 40% Kennedy halves?
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<p>[QUOTE="johnmilton, post: 7560853, member: 101855"]The outer layers on the 40% silver clad half dollars were 80% silver and 20% copper. The inner core was 20% silver and 80% copper. Therefore the core of these coins could appear to be a little "brown."</p><p><br /></p><p>The silver clad coins were issued from 1965 to 1970. The 1970 coins could only be obtained from Proof and Mint Sets.[/QUOTE]</p><p><br /></p>
[QUOTE="johnmilton, post: 7560853, member: 101855"]The outer layers on the 40% silver clad half dollars were 80% silver and 20% copper. The inner core was 20% silver and 80% copper. Therefore the core of these coins could appear to be a little "brown." The silver clad coins were issued from 1965 to 1970. The 1970 coins could only be obtained from Proof and Mint Sets.[/QUOTE]
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What is the purity of the silver layers in 40% Kennedy halves?
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