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<p>[QUOTE=&quot;cladking, post: 109725, member: 68&quot;]There are a lot of copper nickel coins in the world.&nbsp; Most of these range from about 25% nickel to about 88%.&nbsp; Nickel has to be nearly pure (99%+) to be magnetic but varies with the alloy.&nbsp; As a rule higher percentages of nickel mean less darkening in circulation but because of various other metals often added in small quantities it can be very tough to tell.&nbsp; </p><p><br /></p><p>Canada, New Caledonia, Japan, and Lebannon are the only countries which spring to mind that have pure nickel coinage.&nbsp; Generally figure 25% but clad is lower because of the copper core.[/QUOTE]</p><p><br /></p>

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