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Gold Plated Gold Coins?

mrearlygoldmrearlygold Posts: 17,858 ✭✭✭
in U.S. Coin Forum
Someone sent an 1899 $10 lib mounted in a pendant. Tested the pendant and its not gold. Only way to see about the coin is to rip the mounting off. First I obtained permission to do so. The coin weighs the same as an authentic eagle. But it's been plated. Does anyone have any idea or know how to remove the plating?

Jeez the things I get into sometimes image

Coin's for sale/trade.


Tom Pilitowski
US Rare Coin Investments
800-624-1870

Comments

  • Steve27Steve27 Posts: 13,275 ✭✭✭
    What makes you think it's plated?
    "It's far easier to fight for principles, than to live up to them." Adlai Stevenson
  • mrearlygoldmrearlygold Posts: 17,858 ✭✭✭
    Looks sprayed on . The acid also removed some of it .

    Coin's for sale/trade.


    Tom Pilitowski
    US Rare Coin Investments
    800-624-1870

  • Steve27Steve27 Posts: 13,275 ✭✭✭
    Then it's not gold plated (unless you used aqua regia acid which is a mixture of nitric and hydrochloric acid).
    "It's far easier to fight for principles, than to live up to them." Adlai Stevenson
  • PerryHallPerryHall Posts: 47,055 ✭✭✭✭✭
    Probably polished making it look plated. Common for gold used in jewelry.

    Worry is the interest you pay on a debt you may not owe.
    "Paper money eventually returns to its intrinsic value---zero."----Voltaire
    "Everything you say should be true, but not everything true should be said."----Voltaire

  • mrearlygoldmrearlygold Posts: 17,858 ✭✭✭
    Definitely not from polishing. Has a funky yellow color to match the funky color mounting it was in.

    Coin's for sale/trade.


    Tom Pilitowski
    US Rare Coin Investments
    800-624-1870

  • LanLordLanLord Posts: 11,730 ✭✭✭✭✭


    << <i>Definitely not from polishing. Has a funky yellow color to match the funky color mounting it was in. >>

    brass, bronze, etc.? If it were really gold you'd need some good stuff to dissolve it. And aqua-regia is not stable.
  • 19Lyds19Lyds Posts: 26,492 ✭✭✭✭
    Did ya try an acetone dip to see if it was paint?
    I decided to change calling the bathroom the John and renamed it the Jim. I feel so much better saying I went to the Jim this morning.



    The name is LEE!
  • jmski52jmski52 Posts: 23,477 ✭✭✭✭✭
    You said that the acid removed some of the "gold". If it's truly plated, then I don't think you'll get an even removal in any event. If you did use aqua regia, then you'd be eating away your coin as well.

    I'd go the solvent route as 19Lyds suggests, in case it is paint. You could try paint stripper for that matter.

    Poor coin!image
    Q: Are You Printing Money? Bernanke: Not Literally

    I knew it would happen.

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