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<p>[QUOTE=&quot;jody526, post: 15892, member: 578&quot;]Just for the sake of argument, GD, we know that this type of error is known as an &quot;included gas bubble, correct?</p><p><br /></p><p>Also, we know how the three layers of the strips that are used to make sandwich coin planchets are bonded together, right? (high pressure, such as produced by an explosion)</p><p><br /></p><p>It is my opinion that the planchets already have the gas bubble between the clad layers before they are struck by the coin dies. The fact that the gas inside the bubble has no place to go, would be reason enough to explain why the coins are fully struck.</p><p><br /></p><p>If this is wrong, I&#039;d be interested in knowing the correct process behind this type of error.[/QUOTE]</p><p><br /></p>

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