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Selfmade1313

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  1. I am a material scientist. The yellow is not residue. Any of you actually know anything about the J2020 and middle relief pieces? They are still being discovered today. Thanks for your opinions but I think you need to go back and read the coinweek article on mid reliefs still being found.
  2. I thought it was some type of tape as well however I used a bit of cleaner (I know don't clean coins) however the yellow material is not coming off and the patinas of the coins is not changing..
  3. I picked these beauties up via estate and I am lost as to how these surface irregularities would occur. Any insight would be greatly appreciated. Should they be submitted for grading? Any insight or information would be greatly appreciated.