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What is it called when the face of the coin (penny) bubbles in places like this one?
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<p>[QUOTE="ikandiggit, post: 1165362, member: 16269"]You're pic looks like a painting!</p><p><br /></p><p>I'm guessing you're asking about gas bubbles. Common on post 1982 cents.</p><p><br /></p><p>As explained by coppercoins:</p><p><br /></p><p><font face="Arial"><font size="2"><span style="color: black">"...a common result of a problematic plating process used at least until 1988 by the US Mint. It involves a mix of improperly washed planchets, contaminated plating material, and plating at the wrong temperatures. Your coin has gas bubbles trapped underneath the copper plating that welled upward when the coin was struck. There are tons of these in circulation, and in fact are difficult to avoid completely in some issues, especially in D mint coins from 1983-1986. They seem nearly impossible to find without this effect to some minor degree."</span></font></font></p><p><font face="Arial"><font size="2"><span style="color: black"></span></font></font>[/QUOTE]</p><p><br /></p>
[QUOTE="ikandiggit, post: 1165362, member: 16269"]You're pic looks like a painting! I'm guessing you're asking about gas bubbles. Common on post 1982 cents. As explained by coppercoins: [FONT=Arial][SIZE=2][COLOR=black]"...a common result of a problematic plating process used at least until 1988 by the US Mint. It involves a mix of improperly washed planchets, contaminated plating material, and plating at the wrong temperatures. Your coin has gas bubbles trapped underneath the copper plating that welled upward when the coin was struck. There are tons of these in circulation, and in fact are difficult to avoid completely in some issues, especially in D mint coins from 1983-1986. They seem nearly impossible to find without this effect to some minor degree." [/COLOR][/SIZE][/FONT][/QUOTE]
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What is it called when the face of the coin (penny) bubbles in places like this one?
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