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<p>[QUOTE="huntsman53, post: 564319, member: 1242"]Greyford,</p><p><br /></p><p>What you see on the coin is probably the result of contaminates trapped between the Zinc core and the Copper plating which are corroding (eating away) the coin from the inside out. This causes the Copper plating to bubble up somewhat as it separates from the Zinc core. Therefore, these spots are not cuds or dots! There also appears to be some contamination from environmental damage to the Copper plating which may also be eating away the Copper plating from the outside at the same time.</p><p><br /></p><p><br /></p><p>Frank[/QUOTE]</p><p><br /></p>
[QUOTE="huntsman53, post: 564319, member: 1242"]Greyford, What you see on the coin is probably the result of contaminates trapped between the Zinc core and the Copper plating which are corroding (eating away) the coin from the inside out. This causes the Copper plating to bubble up somewhat as it separates from the Zinc core. Therefore, these spots are not cuds or dots! There also appears to be some contamination from environmental damage to the Copper plating which may also be eating away the Copper plating from the outside at the same time. Frank[/QUOTE]
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