1977-D Kennedy half dollar DDO?

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CHR1993
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1977-D Kennedy half dollar DDO?

#1 Unread post by CHR1993 » Sun Jun 28, 2020 2:51 pm

Hello everyone, this is my first post on here! I have a half dollar I found roll hunting that I cannot find any attribution for what I am seeing. I was originally thinking FS101 but it doesn’t have the correct die markers and my coin looks to have all the doubling in a counter-clockwise rotation, lower and to the right on “IN GOD” and higher to the left on “WE TRUST”. Is what I am seeing doubling? I don’t see flat shelves like machine doubling and I can see clear splits on the “IN G” as well as almost two complete “E” shapes on “WE”
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Daniel
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Re: 1977-D Kennedy half dollar DDO?

#2 Unread post by Daniel » Mon Jun 29, 2020 6:05 am

Pictures are a bit grainy but I do see something going on, looks something like die deterioration but need better images and at different angles.

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Re: 1977-D Kennedy half dollar DDO?

#3 Unread post by CHR1993 » Mon Jun 29, 2020 10:17 am

Thank you for looking at it Mr. Daniel. I will attempt to get better pictures and some from different angles as well tonight when I am home from work. I’m looking forward to seeing what you think as I am stumped.

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Re: 1977-D Kennedy half dollar DDO?

#4 Unread post by mikev50 » Mon Jun 29, 2020 1:49 pm

did you check to make sure its not 40% silver---The only surefire way that you can readily test the coin though is to simply weigh it. A normal Kennedy half dollar is expected to have a weight of 11.34 grams while a 40% silver coins should have a weight of 11.50 grams.--good luck--

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Re: 1977-D Kennedy half dollar DDO?

#5 Unread post by CHR1993 » Mon Jun 29, 2020 2:34 pm

I think I remember seeing the copper core on the edge but I will double check just to be safe! I don’t think I have a scale sensitive enough to accurately weigh it though. I just check the edges when I am roll hunting and then the date also.

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Re: 1977-D Kennedy half dollar DDO?

#6 Unread post by CHR1993 » Mon Jun 29, 2020 7:10 pm

Got some more pictures but the quality is not great still. My microscope gets blurry at as close as I am trying to get so I couldn’t get very clear pics
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Re: 1977-D Kennedy half dollar DDO?

#7 Unread post by CHR1993 » Mon Jun 29, 2020 7:14 pm

I also got a pic of the “N” on another 77D I had And the one in question does look fatter to me. I tried using a tiny cut of paper for size comparison, it may not help at all.
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Re: 1977-D Kennedy half dollar DDO?

#8 Unread post by Paul » Mon Jun 29, 2020 7:39 pm

I do not hugeeyes any "Die Doubling" in any of your images here....

Microscope images are very difficult to read when the object is to close to the lens, and has improper lighting for the image being taken

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Re: 1977-D Kennedy half dollar DDO?

#9 Unread post by CHR1993 » Tue Jun 30, 2020 10:01 am

Thank you Paul. I am for sure still learning the microscope, only got it on Saturday and mainly because of this coin. What I think I am seeing is a pretty clear rotation on the letters, the clearest being the “N” and most of what I think I am seeing is a split on the top left area, two middle sections running parallel and then splitting again on the top right area. I tried to photograph it where the light was hitting the two sections and the split and was hoping these were detailed enough. When you see the pictures, especially the comparison between the other 77-d, what would you be looking for to indicate it was true doubling on the die?

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Re: 1977-D Kennedy half dollar DDO?

#10 Unread post by Paul » Tue Jun 30, 2020 11:27 am

If you are interested in "Die Doubling" I would recommend that you study and learn all the different forms of doubling.
If you search the Internet, you will find dozens of places that will give you images and descriptions.

:eureka:
Since there are several different forms of doubling, I would need to inspect your coin in hand to verify the variety.
If you are interested in me looking at it for you, contact me to the private messaging link in the upper right.
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