I didn't know cents have layers

Discussion in 'Error Coins' started by longarm, Oct 23, 2018.

  1. longarm

    longarm Just another Jewish Carpenter

    This one has me stumped, I've never seen a cent shed it's layers like this. 1928OBV2.JPG 1928OBV3.JPG 1928REV1.JPG 1928REV2.JPG 1928REV3.JPG
     
    Pickin and Grinin likes this.
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  3. Loretta Penney

    Loretta Penney New Member

  4. Bambam8778

    Bambam8778 Well-Known Member

    big lamination error. It almost looks like it was buried in the ground for a while. Where are all the metal detector hounds out there? @paddyman98 ?
     
  5. alurid

    alurid Well-Known Member

    I don't think it is a mint generated Lamination Error. It seems to me that this type of peeling was caused by some kind of extreme environmental exposure .
     
    Oldhoopster likes this.
  6. longarm

    longarm Just another Jewish Carpenter

    Well, I peeled the layer off and look what's left, not much to look at now. OBV.JPG REV.JPG
     
  7. longarm

    longarm Just another Jewish Carpenter

    I think it might have been paint or glue or something, whatever it was it wasn't good for it.
     
  8. -jeffB

    -jeffB Greshams LEO Supporter

    It didn't have layers to start with.

    A corrosive agent or oxidizer reacted with the coin's surface, long and hard enough to go fairly deep. This reaction produced a layer of copper oxide, and that's what peeled off. At least, that's my bet.
     
  9. alurid

    alurid Well-Known Member

    Cool, Did the layer that you took off crumble up into a sand like texture?
     
  10. longarm

    longarm Just another Jewish Carpenter

    Yeah, it turned to dust when I rubbed it between my fingers. It weighs only 2.7 grams now.
     
  11. longarm

    longarm Just another Jewish Carpenter

    Yeah, I think you're right.
     
  12. -jeffB

    -jeffB Greshams LEO Supporter

    For what it's worth, I fiddled a bit baking cents with a giant Fresnel lens and sunlight. Zincolns wrinkle and spill their zinc core; at the peak of summer, one actually burst as the zinc interior boiled. But copper cents got exactly the kind of layer you show here, and it behaved exactly the same way.

    I haven't yet managed to melt cupronickel, and I don't think I've melted copper/bronze, but I've softened silver enough to warp a Roosie (which was already holed, and fated to suffer a grisly death in one experiment or another).
     
    alurid and CoinCorgi like this.
  13. paddyman98

    paddyman98 Let me burst your bubble! Supporter

    Looks like some old added plating that eventually came off. PMD.
     
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