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<p>[QUOTE="BadThad, post: 531580, member: 17261"]At least MS-65</p><p> </p><p>The spots are what I believe to be the same anti-corrosion chemical that the mint started using on Sacs some years ago. If you recall, the early Sacs had a horrible tendency to turn brown and ugly. One of the chemical companies I deal with developed a product for the mint to stop that from happening. If you notice today, all the Sacs and Presidential dollars stay nice and shiny for a long time.[/QUOTE]</p><p><br /></p>
[QUOTE="BadThad, post: 531580, member: 17261"]At least MS-65 The spots are what I believe to be the same anti-corrosion chemical that the mint started using on Sacs some years ago. If you recall, the early Sacs had a horrible tendency to turn brown and ugly. One of the chemical companies I deal with developed a product for the mint to stop that from happening. If you notice today, all the Sacs and Presidential dollars stay nice and shiny for a long time.[/QUOTE]
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