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<p>[QUOTE=&quot;Kentucky, post: 4204412, member: 33176&quot;]Hey, [USER=111037]@Only a Poor Old Man[/USER] welcome to CT.&nbsp; As you will find, there will be several different opinions here, some worth more than others (mine isn&#039;t too good for coins, but not bad for chemistry).&nbsp; Bubbles or imperfections such as on your coin may be from casting or from reaction to environmental factors.&nbsp; If the bubbles are from casting, there would probably be more of them.&nbsp; It&#039;s a nice coin.&nbsp; One further thing is to distinguish between &quot;smoothing&quot; and &quot;tooling&quot;.&nbsp; Perhaps a fine distinction, but many ancient coins suffer from impaired fields and have been &quot;improved&quot; by shaving away the imperfections in the background.&nbsp; When this &quot;improvement&quot; escalates to the point of re-engraving features of the coin this is &quot;tooling&quot;.&nbsp; Neither practice is good, but I would be willing to accept smoothing but not tooling.[/QUOTE]</p><p><br /></p>

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