Can anyone explain the copper toning?

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  • wheatcents
    • Apr 2026

    #1

    Can anyone explain the copper toning?

    the toning seems to be on opposite sides left obverse right reverse is it rust it has the same cresent shape on both sides
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  • mustbebob
    Lincoln Cent Variety Expert
    • Jul 2008
    • 12758

    #2
    It doesn't look like toning as much as it does some sort of corrosion. The 1943 coins did corrode rather frequently if not stored properly.
    Bob Piazza
    Former Lincoln Cent Attributer Coppercoins.com

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    • coppercoins
      Lincoln Cent Variety Expert
      • Dec 2008
      • 2482

      #3
      Heck, they corroded even when stored properly. A very problematic issue.
      Charles D. Daughtrey, NLG, Author, "Looking Through Lincoln Cents"
      [URL="http://www.coppercoins.com/"]http://www.coppercoins.com[/URL]

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      • trails
        Moderator, Error Expert
        • Feb 2008
        • 3358

        #4
        It may have even been an ill attempt to plate this coin.

        BJ Neff
        ANA, CCC, CONECA, FUN, Fly-In-Club, NLG & "The Error-Variety Education Consortium"

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        • kloccwork419
          Banned
          • Sep 2008
          • 6800

          #5
          It might even bve from heat. I tried a buynch of different thing just to see what happens to some of my copper cents. I found that if you stick one in the oven for a while that it gets a very nice odd color along with some redness that makes it look like it was almost painted at one time. Now when Im searching, I run into a few cents now and then that have that same red bleeding thru the copper and kinda know already that its just some damage from heat.


          Im not sure about yours because I only have each MM of 43 in BU and Im not touching them for any kind of testing..lolol.

          But it does look like it may have been heated ...Im not positive tho. Just a guess!!!


          I was wondering how long it was going to take before BJ put a trail avatar on his name..lolol

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