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- Coin Conservation - NGC
Since, 2001, NGC has conserved more than 1 million coins, tokens and medals From within a state-of-the-art secure facility, NGC’s conservationists use a variety of proprietary techniques to remove harmful surface contaminants, stabilize and protect a coin’s surfaces, and improve eye appeal
- What You Need To Know: The Difference Between Cleaning and . . .
Briefly, the purpose of conserving is to remove from a coin’s surface those contaminants which pose a threat to the coin’s integrity, and or which may be impairing the ability to view the surface of the coin
- What is the proper way to conserve a copper coin?
However, the way you approach conserving a coin depends on what's wrong with it If it is heavily encrusted and porous from long term environmental exposure, you're going to want to remove the crud and stabilize the surfaces
- Understanding Professional Numismatic Conservation | NGC
To understand the basis and need for professional numismatic conservation we need to understand how and why coins deteriorate and the conservator's role in remedying or reducing detrimental surface problems Coins are prone to corrosion as a result of their composition
- Conserving coins with acetone before storing - Newbie Coin Collecting . . .
Acetone is a solvent that won't react with metals or toning on coins Most all will evaporate before you even get a chance to rinse in distilled water The only reason to rinse is if you use dirty acetone and it won't matter unless you are very, very quick A distilled water rinse doesn't hurt but it really doesn't help anything
- NGC Conservation FAQs - About NGC Conservation | NGC
NGC’s conservation service was established in 2001 Conservation removes harmful surface contaminants, stabilizes a coin for long-term preservation and can dramatically improve a coin's eye appeal After conservation, coins can be seamlessly transferred to grading What coins can benefit from NGC conservation?
- Never clean your coins. Wrong. Never Improperly clean your coins . . .
Pure Acetone (nail polish remover) can be used to SAFELY remove organic contaminants from the surface of even the most precious coins in the world Acetone is non-reactive with metal of any type and will not alter or damage the surface of most coins
- Fire Damaged Coins | NGC
The first stage in conserving a group of coins such as these pictured is to safely remove them from what remains of their holders Removing coins entombed in deformed coin holders is a challenge
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