Various Silver Coin Cleaning Dips ?

Discussion in 'Coin Chat' started by serafino, May 29, 2019.

  1. serafino

    serafino Well-Known Member

    I've read about the use of Ezest for dipping silver coins but does anyone have experiences with the other Silver dips like Connoisseurs, Goddards, Weimans, etc.
     
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  3. Maxfli

    Maxfli Well-Known Member

    By far the best I've used is V. Kurt Bellman's home brew. Very mild, minimizing the risk of over-dipping. Great for clearing up minor issues without substantively altering the look of a coin.

    I don't have the recipe handy at the moment, but you should be able to find it easily here on CT if you search for it.
     
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  4. Kentucky

    Kentucky Well-Known Member

    +1 anyone have any news of Kurt?
     
  5. desertgem

    desertgem Senior Errer Collecktor Supporter

  6. Dimedude2

    Dimedude2 Member

    Avoid Brighto at all costs!
     
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  7. serafino

    serafino Well-Known Member

    When you have 300 year old silver coin that has toned black, is there a dip that can handle that.
     
  8. ldhair

    ldhair Clean Supporter

    You might get some of the black off but all the luster would be gone.
     
  9. GDJMSP

    GDJMSP Numismatist Moderator

    Not always. Sometimes yes, sometimes no. But - there is never any way to know beforehand, at least not with any degree of certainty. That's why dipping coins, any dipping of coins, must always be considered a crap shoot.

    Questions like the one asked by serafino have come up for as long as I can remember. And every time they do I'm reminded of the same article I read many years ago. It was a story, a report, of something that happened on the bourse of a large coin show. Two dealer friends were talking about a coin that one of then had just purchased at the show. It was scarce date Morgan, in a high grade slab, and he'd paid something like $56,000 for it. But the coin was toned black - and that's what they were discussing, the black toning - or to be more precise IF the coin should be dipped.

    You can easily imagine the discussion that took place, the pros, the cons, the risk involved in dipping a $56,000 coin. And it went back and forth and forth and back for some time. But in the end, the owner decided to go ahead and dip it. And that's exactly what he did, right there are the show.

    When he was all done, he took the coin straight over the PCGS table and asked for immediate grade, same day grade. And that's what he got by the end of the day. The coin was upgraded 2 full grades. And the following day he put the coin into one of the auctions, it sold for $150,000 plus.

    So, there ya have it, a coin that was toned black. But when it was dipped the black was gone and the result was a great looking coin with blooming luster. And results like this are definitely not unknown, it happens far more often that one might think. And of course the opposite happens as well, and some would say even more often. But that's the thing, ya never know, and there's no way you can ever know. All ya can do is roll the dice and take your chances when it comes to dipping coins.

    And the same thing doesn't just apply to coins toned back, it applies to all coins, with any kind of toning - ya never know what lurks underneath that toning ! It may turn out to be a gem, it may turn out to be a dog.

    serafino, I can't tell you what dip was used because that was never related in the article. All I can tell you is the coin was dipped. But I can tell you that many of the commercial dips are quite effective. And they can all be diluted, to various strengths. But no matter which one you use, the outcome is always going to be dependent on the coin itself. The tricky part, the hard part, is knowing enough about coins and dipping them to make those decisions of which dip to use on which coin, whether or not to dilute it, and most of all - whether or not to dip it all.

    I would also tell you that the age of the coin doesn't really matter. It can be 10 years old or 600 years old, but that doesn't tell you anything about how long the coin has been toned. I say that because people have been dipping for over 200 years that I know of. And fully 80% of all older coins have been dipped at least once in their lifetimes. So the toning you see on the coins, well, it might be 600 years old but then it again it might only be 10 years old - or anyplace in between. And with any of them sometimes the toning may have already destroyed all the luster, and sometimes all that luster may still be there lurking under the toning. Ya just never know. But one thing is certain, the only way to find out is to roll the dice - or not ;)
     
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  10. Keith SESSLER

    Keith SESSLER New Member

    I recently tried a product on ebay called "70 Proof". It was a dip that worked exceptionally and had a nice almond smell. i highly recommend this one!
     
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  11. Kentucky

    Kentucky Well-Known Member

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  12. -jeffB

    -jeffB Greshams LEO Supporter

    ALMOND smell? :eek:

    Almond smell makes me think cyanide. Yeah, that works, but you really don't want to go there.

    Can you provide a link to the eBay listing? I can't seem to turn it up in a search.
     
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  13. Maxfli

    Maxfli Well-Known Member

    I'll second that!
     
  14. serafino

    serafino Well-Known Member

    Did you use it on silver coins ?
     
  15. Conder101

    Conder101 Numismatist

    Cyanide used to be a common coin cleaner, and it works, but it can also kill you in very small quantities and has been known to do so to collectors cleaning their coins. It is not something I would want to play with.
     
  16. Kentucky

    Kentucky Well-Known Member

    Cyanide, or more correctly sodium cyanide (among others) will give off hydrogen cyanide in acidic solution. In basic solution, toxic upon ingestion...don't lick your fingers. Don't see any cyanide in the MSDS.
     
  17. -jeffB

    -jeffB Greshams LEO Supporter

    I wouldn't taken any chances ingesting acid or neutral solutions of it, either.

    The hydrogen cyanide is what smells like almonds. (So I'm told, haven't had the chance to smell it myself.)
     
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  18. Conder101

    Conder101 Numismatist

    Hydrogen cyanide is produced by the potassium or sodium cyanide reacting.
     
  19. Kentucky

    Kentucky Well-Known Member

    Didn't ever notice smelling it, but got mildly poisoned my Soph year in a college chem lab. If you smoke (or chew or dip or ...) the cyanide has a reaction with the nicotine in your body, so it's a good idea when working with cyanide to keep a cigar in your mouth.
     
  20. Conder101

    Conder101 Numismatist

    Smokers are also more sensitive to the almond smell.
     
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