Ultimately, cleaning your coins can be a gamble best left to the professionals to avoid further damage or the uncovering of even more unsightly mars, and even then, it truly depends on the type of injury that needs to be diminished or "cleaned. The collectible coin market is unregulated, highly speculative and involves risk. ModernCoinMart reserves the right to decline to consummate any sale, within its discretion, including due to pricing errors.
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Beginner's Corner Coin Mintage Charts. More Articles. View Resource Center. Gold Silver Platinum Palladium. On Sale. New Arrivals. Trending Now. Posted February 5, Soap and Water? I see some coin companies advertise various other products for cleaning, are these approved? Link to comment Share on other sites More sharing options BadThad Posted February 10, Posted February 10, Posted April 6, Create an account or sign in to comment You need to be a member in order to leave a comment Create an account Sign up for a new account in our community.
Register a new account. NCS are experts at undertaking "market-acceptable cleaning". I have found that "market-acceptable" does not necessarily equate to Sap-acceptable.
From my perspective, it's all about chemistry. If the "conservation" method does not produce a chemical reaction with the metal or metallic compounds on the surface of the coin, then that's legitimate cleaning. Acetone removal of "goo" is fine.
Sometimes, harsh cleaning may be necessary if anything at all is to be saved from the coin eg. But such a coin should never be considered anything other than "cleaned" or "restored". Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite.
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Page: 1 2 of 2. Coinsplus Valued Member Canada Posts. We prefer embedded video. Pacificoin Pillar of the Community Canada Posts. This has nothing to do with educational credentials as much as it does common sense and factual data. Do such classes and degrees even exist?
In others, however, it can severely diminish eye appeal. In many cases, NCS can safely remove or minimize unattractive toning. NCS can remove many substances applied to the surfaces of coins to change their appearance, such as putty or lacquer. As with artificial toning, removal may reveal other surface problems, and the coin may still receive an NGC Details grade after conservation. NCS does not make repairs and, likewise, cannot undo mechanical alternations.
Important Note: Hairline scratches and other surface issues caused by improper cleaning are often disguised with artificial toning or applied substances. Artificial toning and applied substances can be removed by NCS conservation, which will then reveal the improper cleaning underneath.
These issues include but are not limited to spotting, hazing, PVC and corrosion. Many coins have been permanently altered by amateur cleaning, leaving fine scratches and other surface issues that cannot be fixed by NCS conservation. Sometimes these alterations are only revealed upon removal of artificial toning or applied substances.
NCS cannot undo or hide mechanical repairs such as tooling, plugged holes, rim repairs and re-engraved details. NCS also cannot remove solder from coins. In most cases these coins are eligible for NGC Details grading. Damaged coins, including those that are bent, holed or have wheel marks, graffiti or countermarks, cannot be repaired by NCS. In addition, NCS cannot repair coins that are mounted or have been removed from mounts or jewelry.
The natural effects of circulation — scratches, abrasions and wear — cannot be undone. NCS does not re-engrave details, plug holes, or perform any type of repairs. Similarly, NCS does not repair or disguise planchet flaws. Corrosion affects virtually all metals. NCS first evaluates a coin to determine if it will benefit from conservation.
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