jfk half dollar error?
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  1. #1
    us
    Dec 2008
    Kansas City
    Ace 150 currently
    69
    13 times

    jfk half dollar error?

    found this one in a bunch of change. Is this a mint mistake or did this happen after it was in circulation? This half dollar seems to have acouple air bubbles in it.

    How does this happen i wonder and how common is it as far as value? Times are tough and unemployment dont cut it so is this worth selling? or should i add it to the cause at face value?
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  2. #2
    us
    Jan 2009
    666
    7 times

    Re: jfk half dollar error?

    Based on my experience of literally looking through hundreds of thousands of halves, it is not an error. Spend it at face.
    2011 Finds- Clad Coins Found:  $9.98,  Silver Coins Found: 0, Wheat Cents Found: 3, Rings Found: 3

  3. #3
    us
    Dec 2008
    Kansas City
    Ace 150 currently
    69
    13 times

    Re: jfk half dollar error?

    alrighty. so much for retirement! lol at least it looks cool.

  4. #4
    us
    Dec 2008
    Kansas City
    Ace 150 currently
    69
    13 times

    Re: jfk half dollar error?

    How do you suppose it happened if it wasn't something that the mint missed?

  5. #5
    On extended Holiday.

    Dec 2008
    10,708
    76 times
    All Types Of Treasure Hunting

    Re: jfk half dollar error?

    Looks like a fire damaged coin to me. The inner core of copper starts to melt before the outer copper/nickel layers and bubbles form.

  6. #6
    us
    Salty Dog

    Dec 2010
    Grove City ,Ohio
    105

    Re: jfk half dollar error?

    Looks like someone took target practice on it...maybe a high power bb gun,by the dent on the back side of it,Spend it!
    Life is Short,Make everyday count,Go for the Gold....

  7. #7
    us
    Dec 2008
    Kansas City
    Ace 150 currently
    69
    13 times

    Re: jfk half dollar error?

    fire damage sounds right. That isnt a dent its got 2 humps pushed out. one on the front and one on the back. also they are not directly behind eachother.

    Thanks folks!

  8. #8
    us
    Jan 2011
    Berlin/Ocean City, MD
    Whites V3i, Whites Eagle II SL, Pro Pointer
    98
    112 times
    All Types Of Treasure Hunting

    Re: jfk half dollar error?

    I have seen this once or twice before...

    The explanation goes that here is corrosion going on between the base metal and the clad nickel layer. Much like how you see rust bubbles on an old car. the layer underneath is corroding and the oxide is larger than the original metal and so it expands creating the bubble. Also, gases can be created.

    I'm not sure how this would start, but it could be moisture/impurities trapped on the base metal before the clad layer is deposited, or heat as some of you have suggested could start it off. Another thought is that there could be a very small break/hole in the clad layer letting salts/oxygen into the base metal and starting the process.

    Andy - Engineer in MD (Maryland)


  9. #9
    us
    Dec 2007
    KANSAS
    Minelab SE and Sunray probe
    884
    7 times
    Banner Finds (1)

    Re: jfk half dollar error?

    Well whatever it is, it happened after it left the mint. It sounds like the heat or corrosion ideas might have possibilities. Pretty odd looking regardless! Johnny 8)
    Making memories one plug at a time!!

  10. #10
    us
    Oct 2006
    Wartburg, Tennessee, U.S.A.
    Garrett Ace 250, Tesoro Tiger Shark, Garrett AT Pro
    3,102
    133 times
    All Types Of Treasure Hunting
    Honorable Mentions (2)

    Re: jfk half dollar error?

    Quote Originally Posted by DigginThePast
    Looks like a fire damaged coin to me. The inner core of copper starts to melt before the outer copper/nickel layers and bubbles form.
    I agree 100% with you. I was asked to look for a coin collection that was lost in a house fire and I found several kennedy halves that had bubbles exactly like that.

    DANGLANGLEY
    Disclaimer: The views or opinions of this patient are not necessarily the same as those held by the owners or staff of this facility.
    He sometimes escapes his padded cell. If this patient is contacting you against your wishes please tell him to discontinue immediately.
    Signed, Dr. Ima Quack

 

 

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