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<p>[QUOTE=&quot;John Burgess, post: 7582137, member: 105098&quot;]Hi Lacey Lynn Miles, welcome, I&#039;d like to start by saying hello, and also this particular thread is 11 years old, in the future I&#039;d suggest starting a new thread instead none of those people are likely still here. </p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p><br /></p><p>As far as why you might find a clad coin like this:</p><p><br /></p><p>copper just turns red until it hits about 1,984 degrees Fahrenheit at which point it begins to liquefy and deform. you could roughly get there with a benzomatic MAP torch, but it&#039;s going to take a long time and most of a cylinder and perfect conditions. </p><p><br /></p><p>anyways my opinion, someone hit it with one of those torches to make it glow red for a bit and the copper got hot and gassed up a pocket under the cladding on both sides. then they let it cool,&nbsp; wiped it clean of soot, and spent it. </p><p><br /></p><p>if yours looks like this, this is the most likely answer as too why it looks the way it does. the highest temp would be where the torch flame is and it would drop outward from there, on the reverse side the bubble would be smaller because it would be a lower temperature.[/QUOTE]</p><p><br /></p>

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