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GRANDAMGRANDAM Posts: 8,706 ✭✭✭✭✭
in U.S. Coin Forum
Is this like removing nose grease???







LOL







bobimage
GrandAm :)

Comments

  • MrHalfDimeMrHalfDime Posts: 3,440 ✭✭✭✭
    Electrolysis is, by definition, the removal of human hair. I have seen many slabs with hairs, dust, and other foreign objects within the holder. Perhaps this is a process whereby hairs are removed from inside the holder? image

    They that can give up essential Liberty to obtain a little temporary safety deserve neither Liberty nor safety. Benjamin Franklin
  • ksuscottksuscott Posts: 283 ✭✭✭
    There was a dealer that was telling people that PCGS used electrolysis on modern silver coins as part of their restoration service. He was saying it would help prevent spotting on the coins. As far as I know PCGS doesn't disclose what processes they use for restoration, but from what I understand electrolysis would damage the coin. Maybe someone at PCGS can confirm?
  • CameonutCameonut Posts: 7,348 ✭✭✭✭✭
    It's pretty obvious the nomenclature is wrong here.



    I could see an "electrolytic" treatment could be employed. I am just guessing, but if the coin were made an anode in a silver plating bath, any current applied would relatively uniformly (if done right) remove a small amount of silver from the surface. It could also be an anode in a cleaning bath which is simpler.



    Would be an interesting experiment for me to undertake as I have plating experience, but alas, I no longer have access to proper equipment and chemicals....

    “In matters of style, swim with the current; in matters of principle, stand like a rock." - Thomas Jefferson

    My digital cameo album 1950-64 Cameos - take a look!

  • TwoSides2aCoinTwoSides2aCoin Posts: 44,509 ✭✭✭✭✭
    Miss Liberty with a mustache. image
    PCGS' restoration services now includes Barbers image
  • windwhispersintreeswindwhispersintrees Posts: 605 ✭✭✭
    Electrolysis can be used to remove rust from iron via a battery or battery charger. It can also be used to remove corrosion from dug coins. Compared to mechanical cleaning methods, it is relatively mild if done correctly. When used on dug copper, it often will leave the coin looking worse as it will reveal all of the corrosion pits in the coin's surface.
    "A happy person is not a person in a certain set of circumstances, but rather a person with a certain set of attitudes"--Hugh Downs
  • CaptHenwayCaptHenway Posts: 32,631 ✭✭✭✭✭
    Originally posted by: TwoSides2aCoin

    Miss Liberty with a mustache. image

    PCGS' restoration services now includes Barbers image




    If only they could remove hairlines......



    image
    Numismatist. 50 year member ANA. Winner of four ANA Heath Literary Awards; three Wayte and Olga Raymond Literary Awards; Numismatist of the Year Award 2009, and Lifetime Achievement Award 2020. Winner numerous NLG Literary Awards.
  • ebaybuyerebaybuyer Posts: 2,984 ✭✭✭
    it may work for the bikini line of walking lib halves, standing lib quarters, and perhaps 20$ saints
    regardless of how many posts I have, I don't consider myself an "expert" at anything
  • LindeDadLindeDad Posts: 18,766 ✭✭✭✭✭
    As far as I know no one has found a cure or treatment for Milk Spotting on Eagles so they just quit giving a warranty for it.

    So I think this guy is just blowing smoke and not spelling it correct.



    My Current project....https://www.pcgs.com/setregistry/mysetregistry/album/160794
  • rickoricko Posts: 98,724 ✭✭✭✭✭
    Electrolysis will remove some surface material... likely affecting (either totally or to some degree) any luster present. Have never heard of it removing milk spots. Cheers, RickO

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