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<p>[QUOTE=&quot;7Jags, post: 12263435, member: 78719&quot;]Hi y&#039;all! Well, as they say in hand is always best &amp; fortunately this is not an Uber-rare coin. That coin surface from photo looks to be a mixture of organic debris, oxidation, and what I call &quot;combination&quot; of the two. My favorite solvent series with a coin looking like this as follows:</p><p>1 - rinse coin in even tap water (does NOT have to be distilled)</p><p>2 - finger work some dish detergent into the coin surface with a bit of same water</p><p>3 - liberally rinse off with same water</p><p>4 - tamp dry with a clean high nap white towel</p><p>5 - look at coin and see what you have</p><p>6 - my favorite these days: soak in ammonia (!!) that doesn&#039;t have a bunch of dye in it, let it sit for at least 10-15 minutes, but even 30-40 would be ok with silver alloy like this coin</p><p>7 - with ammonia or water soaked loose cotton Q-tip VERY LIGHTLY circular stroke surface - I know this sounds bad and NOT for proofs for sure.</p><p>8 - liberally rinse with water</p><p>9 - tamp dry with same (but dry section) of that towel</p><p>10 - pull out the acetone - I get mine in Home Depot even though the price keeps going up - I actually use another dry portion of that towel and soak it thoroughly with acetone and then tamp the surface of the coin.</p><p>11 - rinse coin</p><p>12 - tamp dry again and see what you&#039;ve got.</p><p>13 - usually it will look much better.</p><p>14 - if not, bust out the MS70 and then get out that soft Q-tip that is MS70-soaked and GENTLY work the surface without really rubbing like above (does that make sense?)</p><p>15 - water rinse</p><p>16 - same detergent treatment</p><p>17 - water rinse AGAIN</p><p>18 - tamp dry with same (but dry part) of that towel</p><p>19 - look and see what you&#039;ve got</p><p>20 - share pictures with us!!!</p><p><br /></p><p>LOL, I am not liable for the above and only say it is what I would do if it was my coin. This is the type of coin you can really learn from. Hit me up with any comments or concern/questions.</p><p>PS - I will do similarly with proof coins, but VERY light on any rub or pressure, this is something that is good IMHO to get a feel for. I recently took my Panama 1980FM prooflike 100 Balboas (0.500 fine gold) and got it up from ANACS 66 to PCGS 69, but that was only because the metal surface under the mild gunk was obviously good.[/QUOTE]</p><p><br /></p>

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