Category Archives: coin cleaning

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Grading Results of Cleaning and Old Green Holders

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

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Is There a Safe Way to Clean Coins?

Nothing elicits more comments from the coin community than the topic of cleaning, so let’s start off by stating any type of cleaning, including the use of MS70 Coin Cleaner, is controversial. Some hobbyists put MS70 and similar detergents on the same prohibitive plain as Jewel Luster (e-Z-est Cleaner) or similar products

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