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  1. Kentucky
    Post

    Have you tried the chemical MS-70?

    The presence of NaOH or KOH in MS-70 means that it will have a saponifying (soap making) effect on many organic residues. The most common...
    Post by: Kentucky, Oct 21, 2016 in forum: Coin Chat
  2. Kentucky
    Post

    Pre-midlife crisis when it comes to coins

    Any undergrounds?
    Post by: Kentucky, Oct 21, 2016 in forum: Coin Chat
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