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CONECA (pronounced: CŌ´NECA) is a national numismatic organization devoted to the education of error and variety coin collectors. CONECA focuses on many error and variety specialties, including doubled dies, Repunched mintmarks, multiple errors, clips, double strikes, off-metals and off-centers—just to name a few. In addition to its website, CONECA publishes an educational journal, The Errorscope, which is printed and mailed to members bimonthly. CONECA offers a lending library, examination, listing and attribution services; it holds annual meetings at major conventions (referred to as Errorama) around the country.

CONECA was formed through a merger of CONE and NECA in early 1983. To learn more about the fascinating HISTORY OF THE ERROR HOBBY and THE HISTORY OF CONECA, we encourage you to visit us our main site Here

If you're not a member and would like to join see our Membership Application

We thank everybody who has helped make CONECA the great success that it is today!

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  • New to the group. Not a paying member, yet.

    Morning all. I consider myself new to the hobby, and come to the group with about 3yrs of searching. I took up the hobby shortly after I decided to retire. As a fan of history and investigating, I found it to be a natural fit. I was prompted to join the group this weekend after I delved into a shoe box of old coins that hadn't been touched for about 40 yrs. It has a good mix of Old coins, with both loose and hand rolled pennies. More wheat pennies than I'd ever seen personally, and so I was excited to start going through them. Day 1 was to sort through them, then get them divided into denominations and years. The box also had about 100 half dollars, most of the Kennedy style. As this was the smallest group, I started separating the silver from the Clad, all the while looking for the wrong planchet "money shot" coin. Though I have a scale, I don't normally weigh all the coins, but as this was such a relatively old box, I figured I might get lucky. Well, what do know??? I popped on a 1969 Kennedy 1/2 $, and it read 9.38/9.39g. Though I consider myself new, and know I have tons to learn, I knew enough to recall the Kennedy from 65/70 should weigh 11.5g. After some research I was unable to locate anything about this particular error, but did learn about the "Thin Stock" error. The coin looks clean, and based on markings, I don't get a sense of Counterfeit. There is something I can’t figure. From what I can tell, I don't see any of the coloring on or around the rim/edge, to indicate the coin as clad. In fact, it appears silver all around. The coin thickness is slightly thinner that the other 69's, so outside of the "Thin Stock" theory, the only other idea I can surmise is, the coin might have been a foreign coin stock that ended up with a Kenny 1/2 on it. So....I’m looking for ideas and suggestions, outside of what I've noted, as to what may have caused this. I've never submitted any coin to anyone for attribution, or any other form of verification. Where do I go from here?​ Be gentle!!!
    Thanks in Advance.
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    Last edited by JohnM2; 04-28-2021, 01:24 PM. Reason: spelling and grammer corrections

  • #2
    Welcome to the Forum! Post your Kennedy question in the appropriate General Forum section to get the most views and comments.


    • #3
      Welcome to the forum!
      Jason Cuvelier

      Lead attributer


      • #4
        Peter and Jason, Thank you