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<p>[QUOTE="Pickin and Grinin, post: 4848260, member: 73995"]These new cents are a micro thin copper plating over a zinc core. </p><p>Zinc is very reactive, and what you see is the zinc out gassing. Forming bubbles between the core and copper plating. It us very common on early ZLincolns.[/QUOTE]</p><p><br /></p>
[QUOTE="Pickin and Grinin, post: 4848260, member: 73995"]These new cents are a micro thin copper plating over a zinc core. Zinc is very reactive, and what you see is the zinc out gassing. Forming bubbles between the core and copper plating. It us very common on early ZLincolns.[/QUOTE]
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