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<p>[QUOTE=&quot;Conder101, post: 2330394, member: 66&quot;]They react more quickly than most due to the alloy they are made from.&nbsp; They can tone/tarnish even it they are not handled because as they come from the mint they already have, dust, dirt, oils and other things already on the surfaces that may react with the metal even if stored in a fashion that would normally be protective.</p><p><br /></p><p>Sac/President/NA dollars should probably be given an acetone rinse as soon as they are received and then stored in a protective environment.&nbsp; (sealed container with silica gel to keep the humidity low.) to reduce the chances of toning.[/QUOTE]</p><p><br /></p>

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