This 1947S Roosevelt dime was graded by PCGS and is in one of the old blue holders. It was graded MS66! Talk about deterioration in a holder. Is part of my 1947 year set where most coins are MS66.None of the other coins show any deterioration. I apologize for the pictures but is there any salvaging this coin?
Photos are blurry, but it looks to me like it's merely toned, not gunked. Acetone wouldn't do anything for that. Is the luster unimpaired under the toned areas?
Not attractive. I would trade it out for another example. Although, with TrueViews it would probably look amazing.
This is the reason toned coins were never desired in the past. They can simply continue to tone, and the end result is corrosion if not stopped. Big difference between original surfaces and toning. You can have gorgeous coins with original surfaces that are not very toned. Those were what brought the largest premiums in the past. Too many newer collectors confused this, allowing the AT market to flourish unfortunately.
Was it white when you bought it? If so, it was more than likely dipped and not properly rinsed before it was sent in for grading. Such problems can take a few years to show up. Sometimes the coin tones nicely, and it's okay. More often it goes bad. That toning looks to be really dark and deep. I don't think that acetone will fix it, and if you dip it, it might leave an ugly residue, or it might look dull and "cooked." Sorry to be the bearer of bad news, but that's been my experience.
This coin was graded in the 80s I believe. When I got it about 10 years ago it was showing signs then. I couldn't believe PCGS had graded as a MS66.