Is it missing a layer?

Discussion in 'Error Coins' started by cesariojpn, Feb 7, 2008.

  1. cesariojpn

    cesariojpn Coin Hoarder

    I went to the PO to Mail an Express Letter, and something didn't sound right as I grabbed the change from the stamp machine. What drew me to it was the sound. It sounded....sharp. At first, I thought I had a Silver Quarter, but when I closely looked at the coins, I saw the brown of the Sac dollar.

    Is it something significant? Missing a layer? Or post-mint damage.

    The questionable coin is to the right of the pics.
     

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  3. hontonai

    hontonai Registered Contrarian

    Sure looks like it. Yours seems to be exactly 1/8" and the genuine ones are thicker. It's hard to tell for sure from the picture, but the reverse strike looks a tad mushy, which is consistent with there not being enough metal between the dies.
     
  4. Treashunt

    Treashunt The Other Frank

    Missing a layer?
    Of what?
    The Sacis are not clad coins like the dime, quarter & half dollar.
     
  5. cesariojpn

    cesariojpn Coin Hoarder

    Okay, wrong planchet thickness? Alloy problems? Acid Job?
     
  6. Conder101

    Conder101 Numismatist

    Looks like it mght be. But the very first step, as I always say in cases like this, is what does it weigh? Don't say "It seems lighter", or "it feels lighter", what does it weigh!
     
  7. mikediamond

    mikediamond Coin Collector

    Yes they are clad. The core is pure copper while the clad layers are composed of an alloy of copper, zinc, manganese, and nickel.

    The coin here does look like it was struck on a planchet that was missing the clad layer on what was to become the reverse face.
     
  8. cesariojpn

    cesariojpn Coin Hoarder

    Sorry, but I don't have anything that can measure grams. Not very practical in everyday use. Thats why I included the side view.
     
  9. GDJMSP

    GDJMSP Numismatist Moderator

    So take it to a jewelry store, they can weigh it for you and then you'll know.
     
  10. cesariojpn

    cesariojpn Coin Hoarder

    Either they won't do it, or they charge for the service. The least expensive is $30.
     
  11. Treashunt

    Treashunt The Other Frank

    My bad.

    Sorry about the bad info.
     
  12. Oldman

    Oldman New Member


    Look on ebay for a little digital scale. Or head to your local head shop. You really should own a scale. If your a in to collecting coins. You can get sone that will do just fine for about 5 bucks on the feebay.
     
  13. Jako lipo

    Jako lipo New Member

    i thought the Sac were famous for turning to a color like that. I have multiple ones that look similar
     
  14. Conder101

    Conder101 Numismatist

    Got a pawn shop close by or anyplace that buys gold and silver? Give them a couple dollars and they would probaby weigh it for you. A gun shop might be a good possibility.
     
  15. JeromeLS

    JeromeLS Coin Fanatic

    Yes, couldn't it just have been in the ground for the last eight years ? I would think corrosion would be far more probable than any fancy error.
     
  16. cesariojpn

    cesariojpn Coin Hoarder

    Finally conned a Jeweler to get her to weigh the coin...cost me a couple of Canadian Silver coins....

    She said it was 6 grams flat.
     
  17. hontonai

    hontonai Registered Contrarian

    25% underweight (should be 8.1g) is very consistent with a missing clad error. While not common, they do regularly occur in all clad coins, probably on planchets struck from the end of a strip when two of the three discrete metal strips bonded together by rolling pressure is too short and the inspector is taking a coffee break. Click here for more about how planchets are produced.
     
  18. Conder101

    Conder101 Numismatist

    Yep. 2 grams light, got to be a missing clad layer.
     
  19. cesariojpn

    cesariojpn Coin Hoarder

    So......worth it to get it authenticated just in case of possible shenanigans?
     
  20. GDJMSP

    GDJMSP Numismatist Moderator

    I would say so yes. You're not gonna be able to retire or anything, but I'd say it's worth it.
     
  21. cesariojpn

    cesariojpn Coin Hoarder

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