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Proper Cleaning of coins

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Rhubarb View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rhubarb Quote  Post ReplyReply Direct Link To This Post Topic: Proper Cleaning of coins
    Posted: 08 Oct 2007 at 11:47am
 When you refer to cleaning coin's in techmanmiks post:       Do you use a type of cleaner to make your coin's  more eye appealing? 
 
  There are diffeerent  idea's  out there to make a coin or coin's to rid them of the guke and gum that make it difficult to  see the RPM's or Vam's. 
 
  My question is:    What do you use to get rid of the gook and gum on a coin?
 
    Rhubarb
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gxseries Quote  Post ReplyReply Direct Link To This Post Posted: 08 Oct 2007 at 8:39pm

It is ok if you use acetone on silver and other metals but do experiment on copper coins.

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DoubleDie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoubleDie Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 2007 at 9:22am
I would try soap and water, then MS70. If this doesn't remove "surface-only" gunk and dirt, then leave the coin as is. I wouldn't do anything to coin with a lot of contact marks or wear.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote btaylor716 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2007 at 12:26pm
I've always thought when cleaning coins...don't.  Depending on what you do...you can cause more harm than good.  I stick with the policy pretty good. 
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DoubleDie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoubleDie Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2007 at 5:43pm
Most Mint State silver coins have been cleaned sometime in the past, otherwise they wouldn't be so brilliant. The Morgan and Peace Silver Dollars are a prime example.
Most of these coins are over 100 years old, and silver will tarnish within a 100 year period, and often much less than that. A silver coin should have some type of hazy appearance or patina, even if it don't look like it.
I have seen some real nice Morgan Dollars, but after using MS70 on them, they shined like they where just minted. You see a lot coins like this in the shops, shows and ebay.
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just carl View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote just carl Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2007 at 12:13am
You can search many web sites for cleaning coins. Go to Google and just type in coin cleaning. You'll find many such sites. However, if you've ever watched the Antique Roadshow on TV you would always hear them say "if you only wouldn't have cleaned this" The best advice on cleaning coins is DON'T. Regardless of what is on them if you don't know for sure, DON'T.
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DoubleDie View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DoubleDie Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2007 at 9:58am
If a coin has glue, tape, pvc, or any kind of "gunk", it will decrease the value just as much as cleaning a coin. So, coins in this condition, that I'm refer to, have nothing to lose by being cleaned.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Starwarsfreak Quote  Post ReplyReply Direct Link To This Post Posted: 12 Oct 2007 at 11:07am
A shinny coin is not a valuable coin, a coin with DETAIL is a valuable coin. I could care less if my coins shined or not. Do not clean your coins...ever.



-Rob
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just carl View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote just carl Quote  Post ReplyReply Direct Link To This Post Posted: 14 Oct 2007 at 6:55am
Originally posted by DoubleDie DoubleDie wrote:

If a coin has glue, tape, pvc, or any kind of "gunk", it will decrease the value just as much as cleaning a coin. So, coins in this condition, that I'm refer to, have nothing to lose by being cleaned.
Partially true but not exactly. If a professional does remove such items it is because they know EXACTLY what they are doing. In the greatest amount of times most people do not know EXACTLY what they are doing and  usually distroy most of the coins value. Again, if you watch the Antique Roadshow, you may hear them say, if you have this restored by a professional service. That is because some organizatioins, such as PGS, know exactly how to remove such things without ruining the coin.
just carl
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