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<p>[QUOTE=&quot;Theodosius, post: 2516496, member: 77077&quot;]Very nice op coin!</p><p><br /></p><p>I am always a little surprised to see such deep countermarks on relatively hard bronze coins without causing any cracking. Did they heat the coins before punching in the countermark?&nbsp; They must lay the coin on a leather pad on an anvil before punching to avoid flattening the obverse design. </p><p><br /></p><p>Anyone know the mechanics of countermark striking? </p><p><br /></p><p>John[/QUOTE]</p><p><br /></p>

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