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1968D Kennedy Half planchet defect error?

I don't know what could have caused this deformed star and the field surrounding it on the reverse of this 1968D half dollar. Any advice would be appreciated. The star inside the deformed area is still partially visible. This half dollar was saved by my grandmother before 1970 along with 19 other 40% half dollars.
It reminds me of a surface pool of metal created by an acetylene torch but I don't believe that happened so I am asking the experts for an explanation. Can the damage be explained and is it pre or post mint damage?






Comments

  • I'm adding a short video to help with visualizing the defect.
    https://www.youtube.com/watch?v=KDtInJ1NwAk

  • coinbufcoinbuf Posts: 11,861 ✭✭✭✭✭

    Minor strikethrough.

    My Lincoln Registry
    My Collection of Old Holders

    Never a slave to one plastic brand will I ever be.
  • jmlanzafjmlanzaf Posts: 36,863 ✭✭✭✭✭

    Strike through

    All comments reflect the opinion of the author, evn when irrefutably accurate.

  • jonathanbjonathanb Posts: 3,759 ✭✭✭✭✭

    @Olympus620 you've started by my count 7 threads where you didn't know what caused the error. At this point it seems like whatever source you're using to get information about the minting process isn't working and maybe you would do well to find a different source of info.

    Have you read the resources listed in the first thread pinned to the top of this discussion group?

  • Rc5280Rc5280 Posts: 662 ✭✭✭✭✭

    How about this one. ⇓ It's a '70-D 50C and I thought that it was a lamination issue. The flaw is not as soft w/curves like a typical grease-strike. I'm not sure what it is now.

    I don't have different angles & lighting, just this one from the TPG.

    What does the group think caused this? It's incuse like the flaw above.
    Thanks in advance.


  • braddickbraddick Posts: 24,860 ✭✭✭✭✭

    This is an interesting topic.

    I own two similar Kennedy half dollars.
    The first is graded MS63 and does show extensive strike through debris on the reverse.
    The second, graded right after the MS63 shows the same type of strike though yet PCGS stated this one as damaged.

    MS63:

    Damaged:

    peacockcoins

  • MsMorrisineMsMorrisine Posts: 36,016 ✭✭✭✭✭

    @Rc5280 said:
    How about this one. ⇓ It's a '70-D 50C and I thought that it was a lamination issue. The flaw is not as soft w/curves like a typical grease-strike. I'm not sure what it is now.

    yours and the op are both struck through grease

    they were created when the planchet was struck

    Current maintainer of Stone's Master List of Favorite Websites // My BST transactions
  • MsMorrisineMsMorrisine Posts: 36,016 ✭✭✭✭✭

    @braddick said:
    This is an interesting topic.

    I own two similar Kennedy half dollars.
    The first is graded MS63 and does show extensive strike through debris on the reverse.
    The second, graded right after the MS63 shows the same type of strike though yet PCGS stated this one as damaged.

    302 didn't simply follow 303out of the same machine

    i see what looks to be some pit-like divots in 303's "area"

    for 302 i see a lt of pits and what looks like a small gouge at the H. then there is the one next to the T on the obverse. to straight grade 302, you'll need to satisfy people that all those marks aren't marks but part of the strike through, plus, keep in mind that a coin with strike throughs can later be damaged

    Current maintainer of Stone's Master List of Favorite Websites // My BST transactions
  • CregCreg Posts: 879 ✭✭✭✭✭

    That’s a details grade given the wheel dings, right?

  • braddickbraddick Posts: 24,860 ✭✭✭✭✭

    @MsMorrisine said:

    @braddick said:
    This is an interesting topic.

    I own two similar Kennedy half dollars.
    The first is graded MS63 and does show extensive strike through debris on the reverse.
    The second, graded right after the MS63 shows the same type of strike though yet PCGS stated this one as damaged.

    302 didn't simply follow 303out of the same machine

    i see what looks to be some pit-like divots in 303's "area"

    for 302 i see a lt of pits and what looks like a small gouge at the H. then there is the one next to the T on the obverse. to straight grade 302, you'll need to satisfy people that all those marks aren't marks but part of the strike through, plus, keep in mind that a coin with strike throughs can later be damaged

    @Creg said:
    That’s a details grade given the wheel dings, right?

    These are excellent points. I was so focused on the strike through- believing one was straight graded yet the other was not- I didn't consider PCGS viewed damaged in other areas of the coin.
    I do (now) see the concerns pointed out and conclude you are both right.
    PCGS didn't grade the damaged coin that way due to the strike-through yet rather as there is damage on other portions of the coin, both obverse and reverse.

    peacockcoins

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