1985 Lincoln penny multiple spots / circles help please

Discussion in 'Error Coins' started by justyn p, Dec 2, 2021.

  1. justyn p

    justyn p Active Member

    Im sure Ive had this coin up before after a second look the 1985 Lincoln penny has multiple spots / circles what are these and how are they caused during the minting process ?
    Apologies iphone pics and a cheap usb microscope

    Thanks in advance

    1985 US cent6.jpg 1985 US cent.png 1985 US cent1.png 1985 US cent2.png 1985 US cent3.png 1985 US cent4.png 1985 US cent5.png
    SensibleSal66 likes this.
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  3. SensibleSal66

    SensibleSal66 U.S Casual Collector / Error Collector

    Just my opinion but it looks like "Zinc rot". :(
    justyn p, JPD3 and Spark1951 like this.
  4. Spark1951

    Spark1951 Accomplishment, not Activity Supporter

    It took a decade or longer for contractors to produce some decent copper-plated zinc blanks. The Mint used both good and bad and fed them into the upsetting mills to create planchets ready for striking. What resulted was untold millions of crappy Zincolns with surface anomalies such as plating blisters, and when struck, also split-plate doubling. As soon as the blister pops or the surface gets exposed/scratched, zinc rot begins.

    Take a picture of the penny as a memento, ‘cause it won’t be around much longer.
  5. lordmarcovan

    lordmarcovan Eclectic & Eccentric Moderator

    Yep. Zinc rot. :yack:
    Noah Worke and justyn p like this.
  6. justyn p

    justyn p Active Member

    well another lesson learnt Zinc rots no freind of mine :(
  7. Collecting Nut

    Collecting Nut Borderline Hoarder

    Plating bubbles that are now rotten.
    justyn p likes this.
  8. Mountain Man

    Mountain Man Supporter! Supporter

    100% plating issues. NAV, at least that's my opinion. Lousy Zincoln's.
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