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<p>[QUOTE=&quot;cdb1950, post: 29519, member: 1735&quot;]Almost looks like the coin has spent some time in a corrosive environment, most likely some kind of acid.&nbsp; I don&#039;t think this is a mint error.&nbsp; Look at the edge of the coin.&nbsp; If it has the same rough appearance, then that would help confirm the corrosive theory.&nbsp; </p><p><br /></p><p>Acid will slowly eat the metal away, and the more dense parts of the metal will erode slower than the less dense sections, thus the uneven pitted appearance.&nbsp; </p><p><br /></p><p>The obverse straight lines that look like die cracks are rolling lines created when the strip of metal used to punch out the coin blanks are rolled to the proper thickness for the coins.&nbsp;&nbsp; These lines are created when the metal ingot being rolled doesn&#039;t roll out with consistancy, leaving some denser areas, usually in straight lines parallel to the rolling.&nbsp; Usually, these lines are flattened out when the blank is struck, but the different densities are still there.&nbsp; When acid eats away the coins surface, the denser areas will be eaten slower than the less dense areas, leaving an uneven surface with pits and rolling lines.&nbsp; Looks kinda strange, though.[/QUOTE]</p><p><br /></p>

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