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<p>[QUOTE=&quot;Pavlos, post: 3204326, member: 96635&quot;]I think the fact it are no zig zag lines but parralel lines that it really looks like damage from cleaning.</p><p><br /></p><p>I got a response from Joe Sermarini:</p><p><br /></p><p>&quot;Bronze does not crystallize, so that is not even a possibility. Other than edge filing, I have never seen parallel scratches or etching on a fake fhat indicated casting, nor have I ever heard anyone describe parallel scratches or etching as an indicator of casting. It is most likely, the result of rough cleaning.&quot;</p><p><br /></p><p>&quot;I have seen odd surfaces, similar to this, on coins found in fresh water. Still, I think rough cleaning is more likely.&quot;</p><p><br /></p><p>And other members:</p><p><br /></p><p>&quot;I think the parallel lines may be the result of too extreme use of a wire brush in cleaning.&nbsp; Both coins have bee extensively cleaned, but they look authentic to me.&quot;</p><p><br /></p><p>&quot;To my eye, it looks like the result of acid etching of the surface. The result of a severe chemical cleaning process&quot;</p><p><br /></p><p>And a response at another forum from a moderator:</p><p><br /></p><p>&quot;If both these coins can from the same dealer, they might have used some type of chemical to clear them which also etched the metal. In my opinion they are both genuine.&quot;[/QUOTE]</p><p><br /></p>

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