Discussion in 'Coin Chat' started by Kc 17, Sep 16, 2019.

  1. Kc 17

    Kc 17 New Member

    Have an old coin that has been soldered to what I am assuming a brass Bass of a lamp any ideas on how I can get it off without damaging

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  3. Handyman

    Handyman Well-Known Member

    Your title says it all definitely a problem with the damage to the coin based on your photo why bother.( just curious)
  4. CaptainMK

    CaptainMK Active Member

  5. ldhair

    ldhair Clean Supporter

    The coin is already damaged. It was polished after being soldered into the lamp. You can see that in the images. You can use a soldering iron to melt the solder and there is a device that will suck the solder up as it melts. You will have a tough time getting it all off the coin and it will still be damaged.
    It would be cool if the coin has a CC mintmark.
  6. Kc 17

    Kc 17 New Member

    that's why I'm worried about trying to take the Queen off because where the mint mark would be is covered by the sodder
  7. paddyman98

    paddyman98 Let me burst your bubble! Supporter

    Queen? What queen?
  8. Kc 17

    Kc 17 New Member

    The mint mark cc off sorry
  9. Clawcoins

    Clawcoins Well-Known Member

    There's not very many options that don't involve heat.

    I assume it's tin based solder. The tin solder is fairly inert/inactive and has a lower melting point than silver solder. Which hopefully it isn't as the coin is 90% silver.

    As mentioned above get yourself a "solder sucker" to suck up the melting solder. Or maybe give it to a friend that solders stuff to unsolder it. Jeweler could easily do it too.
  10. Collecting Nut

    Collecting Nut Borderline Hoarder

    That's not a queen. It's better. It's Lady Liberty! Unfortunately it is forever damaged but it can be removed. You'll never get the solder off completely. It could retain some value despite being damaged if it's the correct mintmark.
  11. Jaelus

    Jaelus The Hungarian Antiquarian Supporter

    I'd use a wick instead of a solder sucker for this type of cleanup. A wick is going to do a better job of getting smaller pockets of solder that a sucker wouldn't be able to (unless perhaps you have a vacuum powered one). If you just want to reveal the mint mark, then you can probably use a solder sucker to clear that area enough to see it. Just heat the solder directly with a soldering iron, and when it liquifies, use the sucker on it over that area. If you're going to clean it up further with a wick, you heat the wick, not the solder, and touch the wick to the areas you want to pull solder off of.
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