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<p>[QUOTE=&quot;sand, post: 7821909, member: 118540&quot;]I&#039;m no expert. It seems conceivable, that under that light green powder mixed with dirt, there may be a layer of nice, hard, inert, dark green patina, which would be very desirable. Perhaps the coins initially had unstable bronze disease, which mixed with the surrounding dirt, causing the surrounding dirt to turn light green. Then, perhaps, after 1000 years, the unstable green stuff on the coins, eventually turned into nice, hard, stable, dark green patina.</p><p>Let us know, what you find, underneath.[/QUOTE]</p><p><br /></p>

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