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What is happening with this Lincoln

habaracahabaraca Posts: 2,037 ✭✭✭✭✭
in U.S. Coin Forum

He ended up in the reject bin of my local Coin Star. Looks like it was hit and dished but there is no surface
flattening. There is also a ridge similar to the Belly line on a Bust Planchet before it hits the Castaing machine. Line goes all the way around.
Any insight is appreciated.




Comments

  • ifthevamzarockinifthevamzarockin Posts: 8,902 ✭✭✭✭✭

    High heat can "dish" a zinc cent like that. ;)

  • MsMorrisineMsMorrisine Posts: 33,718 ✭✭✭✭✭

    The saucer shape is so perfect

    It would blow my mind to just use heat

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  • moursundmoursund Posts: 3,207 ✭✭✭✭✭

    Maybe it was set on something smooth and round and slightly domed, about the size of a dime, and then that thing was heated...

    100th pint of blood donated 7/19/2022 B) . Transactions with WilliamF, Relaxn, LukeMarshal, jclovescoins, braddick, JWP, Weather11am, Fairlaneman, Dscoins, lordmarcovan, Collectorcoins, SurfinxHI, JimW. God so loved the world that he gave his only begotten son, that who so believeth in him should not perish but have everlasting life.
  • ifthevamzarockinifthevamzarockin Posts: 8,902 ✭✭✭✭✭

    I tried to quickly duplicate it.
    I think I got it too hot! :D:D:D
    You can see how it started to dish before I melted it. I may try again or I may not.....I don't have money to burn. ;)

  • habaracahabaraca Posts: 2,037 ✭✭✭✭✭

    interesting. mine is for sure rather Dark..... don't see any other distortion

  • Steven59Steven59 Posts: 9,077 ✭✭✭✭✭

    @ifthevamzarockin said:
    I tried to quickly duplicate it.
    I think I got it too hot! :D:D:D
    You can see how it started to dish before I melted it.

    Interesting - never heard of that before. I hit a zincoln with the welding torches once and it just started evaporating but that was temps well over 3000 degrees.

    "When they can't find anything wrong with you, they create it!"

  • OldhoopsterOldhoopster Posts: 2,930 ✭✭✭✭✭

    Zinc melting point = 787F/420C
    Copper melting point = 1984F/1085C

    You can melt the zinc by holding the coin with pliers and putting in the flame of a gas stove. Be careful not to hold it in too long or the molten zinc can drip onto the stove surface (as a budding young "scientist"I learned that the hard way, and my mother wasn't pleased with my experimental results) :s

    Member of the ANA since 1982
  • Namvet69Namvet69 Posts: 9,111 ✭✭✭✭✭

    Thank you Mr. Wizard. I used to love watching Don Herbert on TV. Peace Roy

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  • rickoricko Posts: 98,724 ✭✭✭✭✭

    I have never tried to heat a zincoln.... probably will not in the future. I would be surprised though, if it were to dish like the cent in the OP.... And no, I do not have any other suggestion for how it happened. Cheers, RickO

  • ifthevamzarockinifthevamzarockin Posts: 8,902 ✭✭✭✭✭

    A little better results from much less heat. ;)
    You can see how it started to dish but I pulled it from the heat too soon, didn't want another melt down.

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