1969 s proof ddo?

Discussion in 'Error Coins' started by Charles1997, Sep 18, 2014.

  1. Charles1997

    Charles1997 Well-Known Member

    Is there a 1969 s proof ddo penny? And if so, what is it worth?
     
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  3. ldhair

    ldhair Clean Supporter

    I took a quick look at coppercoins.com but could not find anything.
     
  4. Charles1997

    Charles1997 Well-Known Member

     

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  5. Charles1997

    Charles1997 Well-Known Member

    Here's another pic
     

    Attached Files:

  6. furryfrog02

    furryfrog02 Well-Known Member

  7. desertgem

    desertgem Senior Errer Collecktor Supporter

    No, and I will try to explain. If the die is not doubled, a letter on it will be struck once and the size will be the true size. If a die is doubled, since the doubling occurs when the die is struck the 2nd time, the first letter would have been true size, but when the second ( doubling) strike on it, the second letter will be full size, but the first letter will be diminished, BUT the total width of that area will be 'true size' 2nd strike + portion of first strike that wasn't overstruck by the 2nd strike. So the size of the doubled area will be larger than 'true size' but typically the same height.

    Look at the last photo in the series
    [​IMG]

    Look at the bottom of the "D" , notice how each separation is less in size.

    [​IMG]

    This is what we get with Machine doubling damage ( MDD) because there was only one strike on the working die ( rather than doubled), but there was physical interactions as the die struck and withdrew, moving enough metal to make the appearance of multiple strikes, but it was just shearing some of the metal in flat steps, but but when the images are added in height they total about or less than the normal area. If it was multiple struck working die ( doubled or tripled DD,TD), then the red area would be the size of a normal letter ( second hubbing) plus the size of the offset letter ( first hubbing).

    This is the extreme case of DDO, notice that each letter where they overlap make the total dimension greater rather than a lesser section, Also they are the same height, no smearing. The same holds true for lesser doubled dies, it just takes more observation to see.

    [​IMG]

    It is hard to describe dimensional examples. If you have some clay, baking dough, or play-do, and a cookie cutter, you can produce the effect.

    Jim
     
    gijoe76 likes this.
  8. Treashunt

    Treashunt The Other Frank

    Also, consider this:

    If it takes a magnification of about 10 million to see anything, do you really think it is worth anything?
     
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