Tried to conserve a Seated Half Dollar

Kentucky · Jul 10, 2016

Insider said: ↑

Acetone is generally a harmless & useful treatment; However, there are some coins (mostly circulated ones) it should not be used on.

Old coins may acquire/develop all kinds of surface "products" both organic and inorganic. If used on the wrong coin, this "skin" will come off causing the coin to lighten and be less attractive. While Acetone leaves a coin's toning intact, often the microscopic "oily skin" makes the toning more attractive.
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Yup, cleaning or conserving is a radically different process between unc/proof coins, near unc coins, and circulated coins. No universal treatment.

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Tried to conserve a Seated Half Dollar

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Tried to conserve a Seated Half Dollar

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