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<p>[QUOTE=&quot;Leadfoot, post: 1448312, member: 2972&quot;]Not discounting your experience, but wouldn&#039;t improper alloy mix lead to the same thing?&nbsp; Even more confusing to me with your explanation is that the toning goes through the high and low points of the coin and album paper would not be able to reach the recesses, I wouldn&#039;t think.</p><p><br /></p><p>More to the point, the reason I say this is because I&#039;ve seen this type of mottled toning on mint set coins that have never seen the inside of a Whitman, and the direction is <b>always </b>the same (actually opposite) on both sides presumably showing, I always thought, the direction the planchets were rolled out.</p><p><br /></p><p>Therefore, I maintain this toning pattern is related to an improper alloy mix -- just like copper woddies -- rather than post-mint storage conditions.</p><p><br /></p><p>Respectfully...Mike[/QUOTE]</p><p><br /></p>

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