Message:

<p>[QUOTE=&quot;dougsmit, post: 3749791, member: 19463&quot;]Desert patina is impacted dirt.&nbsp; Washing the coins in water or any liquid is likely to loosen soil that you would rather remain.&nbsp; Mechanical cleaning (scraping, brushing, picking with a tool of any sort) has the advantage of allowing you to stop when you get to the point you want rather than going to completion.[/QUOTE]</p><p><br /></p>

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