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<p>[QUOTE=&quot;7Jags, post: 4407859, member: 78719&quot;]This has been published in a couple of places, but after seeing a gold 2014 Kennedy 50c Proof with such a spot on another board with all kinds of &quot;suggestions&quot; which were to generally just accept it or sell it, I showed a simple conserving procedure on my own. Also, many of you may have some gold with these annoying spots that can actually be dealt with pretty easily.</p><p><br /></p><p>Before:[ATTACH=full]1107049[/ATTACH]</p><p>I then got a white microwaveable cereal bowl</p><p>Put 3 tablespoons of baking soda in some tap water (1/2 full bowl)</p><p>Microwaved on high for 2 1/2 minutes</p><p>Put in aluminum foil (I just put a piece about 4 x 5 inches)</p><p>Set coin on top of aluminum foil in the near boiling water</p><p>Let sit about 3 minutes.</p><p><br /></p><p>After:</p><p><br /></p><p>[ATTACH=full]1107052[/ATTACH] </p><p><br /></p><p>Sorry about the photo skills. But it was an excellent result for about 5 cents worth of materials, that were non-toxic. Nothing special, but it works and is easily done.</p><p><br /></p><p>I showed this in the world section because I have some gold Libertads and Isle of Man gold that have similar spots. I need to dig them out on this Corona weekend and show results if people are interested.[/QUOTE]</p><p><br /></p>

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