How To Detect Altered Or Treated Coins?

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Author	Replies: 6 / Views: 1,834
RWA New Member United States 17 Posts	Posted 08/23/2014 09:55 am Anyone have guidelines to find out whether alteration in coin (like cleaning) has been done? I am suspicious when I see very bright examples without certification. Any suggestions appreciated. Report this Post to the Staff

welder Pillar of the Community United States 1037 Posts	Posted 08/23/2014 10:50 pm 95% of what your asking in just educating yourself. Get some sort of magnifier, a magnet, and a small digital scale. Look at lots of coins on the Internet and at coin shows to become familiar with what interests you. The magnifier will assist in getting a very close look at the coin. The other 5% is intuition. If you are suspicious of a coin, chances are you are right and the coin is not what it claims to be. Good luck and Cheers! Report this Post to the Staff
AgCoinAu Pillar of the Community Canada 3049 Posts	Posted 08/24/2014 02:46 am using a loupe or magnifier will help with the abbrasive types of cleaning... knowing how a coin has a cartwheel luster will help you with dips... learn learn learn.... search the net.. read books .. you tube.. there's a lot of resources out there..1 Report this Post to the Staff
ASEnut Valued Member South Africa 453 Posts	Posted 08/24/2014 02:47 am I think the best way is to post a pic if you can Report this Post to the Staff
RWA New Member United States 17 Posts	Posted 09/03/2014 5:43 pm Thanks to all for taking the time. How serious is the deduction of value if coin has been dipped or lightly cleaned? Report this Post to the Staff
AgCoinAu Pillar of the Community Canada 3049 Posts	Posted 09/03/2014 6:20 pm It all depends on what was used to dip the coin.. and/or how the coin was cleaned... Better answer to your question may be another question... how has the coin's surface been altered after cleaning? Report this Post to the Staff
Libertad Pillar of the Community Canada 3692 Posts	Posted 09/04/2014 4:00 pm This ought to be in the Main Coin Forum. In the bullion world this question is not a concern. But to answer your question, start looking at coins in each grade condition, as with "PCGS Photograde" (search engine this). That way you'll be able to see why a shiny "G" is polished/cleaned/or dipped. Report this Post to the Staff
	Replies: 6 / Views: 1,834

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