I can not find this DD listed anywhere???

You are one of the very ones that has said many times that every coin I show on here is only PMD. Now I see that you may have not known any better and I think you should try to learn more about error and variety coins if you are interested in them . I do not see any incuse lettering on this coin you have in this post and I have never heard of such a story as if it is incuse then it's mechanical doubling. do you understand that INCUSE means sunken in? however very minor I will venture to say the coin in this post of yours is definately a doubled die coin,at least it looks like it is in the photos.


EDIT; if the lettering is incuse on your coin then just overlook what what I wrote , the lettering on your coin looks to be in relief to me in your photos.

 

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I say submit it. This is exactly what all the 2010 5oz ATB's owners are looking for that have this type of doubling . The debate of incuse doubling may start all over again if this is DD and not MD!

 

If you're only going to be defensive about prior coins you've posted, then please go away. If you want to learn something then continue reading.

Below is an eMail exchange with James Wiles regarding the very coin images I posted (read from the bottom up):

"​

Lee:​

On varietyvista, go to the doubled dies page and click on the 1984-W $10 gold commemorative. It has an incuse section with is hub doubled, showing as extenstions, similar to normal MDD.​

Thanks,​

James Wiles
​

[HR][/HR]

From: Lee Lydston <19Lyds@doo-doo.net>
To: JAMES WILES <jameswiles@sbcglobal.net>
Sent: Mon, May 23, 2011 6:50:59 PM
Subject: RE: 2001-P Yellowstone
​

Extensions?

Do you have a photograph?
​

[HR][/HR]​

From: JAMES WILES [mailto:jameswiles@sbcglobal.net]
Sent: Monday, May 23, 2011 4:49 PM
To: Lee Lydston
Subject: Re: 2001-P Yellowstone​

Lee:
​

The lettering around the border field is incuse. MDD on incuse design elements will show splits in the serifs. While true die doubling will show as extensions. This has been known for many years.
​

Thanks,
​

James Wiles
​

[HR][/HR]​

From: Lee Lydston <19Lyds@doo-doo.net>
To: John Wexler <jwex@comcast.net>; JAMES WILES <jameswiles@sbcglobal.net>
Sent: Mon, May 23, 2011 5:55:33 PM
Subject: RE: 2001-P Yellowstone​

Duhh. Of course you know I mean 2010-P.
​

[HR][/HR]​

From: Lee Lydston [mailto:19Lyds@doo-doo.net]
Sent: Monday, May 23, 2011 3:54 PM
To: 'John Wexler'; 'JAMES WILES'
Subject: 2001-P Yellowstone​

What do you think of this one?​

The photo's provided in the eMail exchange with James were the exact photo's of my reply. The coin is a 2010-P 5 oz ATB Yellowstone coin and the lettering is indeed incused.

Please visit James Wiles' Variety Vista page which address doubling for incused lettering. http://www.varietyvista.com/1984WDDO001 gold.htm

The 1984-W $10 Olympic Gold is the only known Doubled Die with incused lettering.

How 'bout them apples?

 

On post # 15 someone even gave the information on the OP'S coin from the experts as to it being a doubled die and you still said the OP'S coin was machine doubling. James Wiles mentioned MDD instead of MD. don't you think he may have been talking about MASTER DOUBLED DIE instead of mechanical doubling. I could see how the incuse doubling could get the split serifs in this case. If this was machine doubling the edges of the letters should have some pushed up metal showing along the edge of them. either way this doubling is so minor it is problably not worth a fortune anyway. It never hurts to learn a few things no matter how old we are and this forum is a great place for us to learn.

 

Good Points. Unfortunately, in the Kennedy Half Dollar Book, Page 12, by James Wiles, his abbreviations section states:

MD = Master Die
MDD = Machine Damage Doubling

The coin being referred to in post #15 is the 1984-W (The coin on the Variety Vista Page) not the 1984-D. 4 1984 Olympic Gold coins were issued, P-D-W-S with the S being a Proof Coin.

 

No not correct. Machine Doubling is created when the die moves during striking. A doubled die happens when the die is made and the doubled image is actually in the die. That doubled image is then transferred to the coin during the strike.

It is incuse, the apparent appearance of relief is an optical illusion.