If all you want is "clean", bullion sliver, then lots of methods are out there...
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But, in my opinion, this, and the OP's method is sooooo wrong!!
Collector of sliver rounds who seek out the best possible strikes would be foolish to use any of these methods. To the naked eye, maybe they look ok, but under a loupe or microscope the hairlines would be nasty...
Correct me if I am wrong (or urban numismatic legend), but doesn't PCGS have an outstanding reward out there ($25,000) if anyone can show them how to safely remove milk spots, and that reward has yet to be granted?
"Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer
The best way to avoid the milk spots on these things....................don't buy them in the first place. The quality control at the "North Korean mint" is getting dismal! Using a polishing cloth is taboo!
As @yingyang says, if you're a bullion collector and the coins (SMLs etc) you have are just silver value then why not buff them up if it makes you happy? As long as you do it in the full knowledge that you are degrading any numismatic value the coin may have had and, I would hope, are pretty confidant that it didn't have any. @thecurse9, cleaning would decrease the theoretical numismatic value of the coin more than milk spots. But just try selling a higher grade, heavily milk-spotted SML for anything more than bullion.... Even in a TPG slab.
But what would be the impact on the grade of the coin on semi-numismatic bullion (2011 Wolf, for example, which can fetch interesting prices if milkspot-free) or even NCLT?
Has anyone tried the "cloudy ammonia" method mentioned in the video above? I figure that, with a clean Q-tip, might be the least likely to leave hairlines on the coin's surface.
"Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert Oppenheimer
Anyone selling "cleaned" bullion /coins/rounds should have to put in a disclaimer ( I believe they have to on ebay )if they are selling them for a high premium such as the wolf round.
I know I would be mad if I paid a high premium for a Canada wolf coin only to find out it was "cleaned " and yes I do look at alot of my coins under a scope so I would see the cleaning scratches.
If it was just regular bullion coins, rounds etc near spot I wouldn't care but it still needs to be disclosed.
I have very little knowledge of chemistry, but I wonder if using untreated city tapwater will leave silver chloride precipitate on the blanks when they are cleaned. Chloramine is evil stuff in my other hobby (wine-making) & has to be neutralized with potassium metabisulfite or sodium metabisulfite.
Doesn't change the value of the bullion....if you collect them...choose from a tube the ones or one thats the best...display that one....spot or no spot I dont really care....ITS BULLION...clean if you want its still worth the same...if you r willing to pay 100$ for a certified maple, thats your thing....but I would not...LOL
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Posted 01/06/2015 12:48 pm
