The problem with your half being the 71S DDO-017 is that the 017 is an ODV-002 and yours is a ODV-003. Larry Nienaber
Let us try to attribute your 71S half dollar using the descriptions in the CONECA Master Listings which has 19 DDO listings. First we can...
There are two different obverse varieties for the 71S Kennedy obverse...ODV-002 (Obverse Die Variety), and ODV-003. The way to tell them a part...
I think you are wasting your time with that 71S Kennedy...not a doubled die; doesn’t match anything in the CONECA listings. Any doubling you...
I don’t see any significant doubling in your photos. The doubling on the I of IN would just be Series Doubling. Larry Nienaber
What about the CONECA listing... http://www.varietyvista.com/Variety%20Master%20Listings/lincoln%20doubled%20dies%201980-1996.htm#_1982...
Here is an idea what a clashed half dollar might be worth...I sold this one on EBay. It was a 68D Major Obverse and Reverse Clash for $53. Larry...
That is a very nice obverse clash. Check out this site to learn more: http://www.maddieclashes.com/ Larry Nienaber
The doubling looks like MDD (Machine Damaged Doubling) to me. Larry Nienaber
It looks like some very strong MDD (Machine Damaged Doubling). Larry Nienaber
You sure are a good source for information...but you didn't answer my question. What would be a good abbreviation for Master Die? Who says,...
Thanks for the lesson...but what then would be an abbreviation for Master Die? The reason I brought this up is because I am not sure if he is...
I have noticed that quite a few people on this site, actually most every one, use the abbreviation MD for Machine Doubling and Mechanical...
I don’t see any doubling in your photos...maybe some MDD. You said you looked it up and you have one...where did you look it up? I don’t see any...
I would say MDD...note shelf like appearance on the top of the S and around the curve. It would take a better photo of the mint mark to convince...
There are 37 CONECA listed 1966 DDO’s including Business Strikes and Special Mint Set Kennedy Half Dollars, with 25 of them having doubling on the...
You don’t need any photos of the rest of the coin to determine the doubling on the ear, that the arrow is pointing to, is MDD. The obverse and...
I am not sure what you mean by a MDDO list. If you are looking for a list of die varieties, you can find the CONECA Master Listings at:...
It is also called MDD (Machine Damaged Doubling) Larry Nienaber
Here is a post from another forum... http://board.conecaonline.org/showthread.php?t=3664 Larry Nienaber
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