Grading Results of Cleaning and Old Green Holders

August 22, 2016 in Antique Coins, Coin Grading, Coins, Collecting, Education, Grading, News, Numismatica, Numismatics, Opinion, PCGS (Professional Coin Grading Service), Rare Coins, USA Coins

By: Michael Bugeja (Coin Update News)


Remember these coins? Two on the right were cleaned with MS70 detergent and two with an undisclosed dilution of water and Jewel Luster, a dipping product. All were cracked out of PCGS holders to test cleaning and grading consistency.


You can read about the perils of cleaning in this prior Coin Update post, focusing on these coins.

The dipped coin received a one-half upgrade to 64+. The other three graded MS-64, aligning with the old green holder grades. Again, as… Full article at the source>

Source: (Coin Update News)

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