1973-D Half Possible Stutter Strike (Topic Change)

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Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 11:23 am I have changed the topic for this post. This was my original question: Quote: This shows heavy Machine Doubling on the Reverse (I think) and perhaps a little on the Obverse. There is also, on the reverse, a shelf like ridge around part of the circumference inside the rim. On this ridge in places, there appears to be the very top of some of the letters which I have indicated with arrows. Is that a part of the MD or is that something else? I just rediscovered this reference to a Stutter Strike (Type I): http://www.error-ref.com/?s=strike I am thinking that the tops of letters showing on the Reverse shelf happens not because of MD, but because of a Stutter Strike. The main reason I am thinking that is because of this statement in the source: Quote: This also produced a weak, sloping shoulder on the obverse face. Looking at the shoulder beneath the date does indeed show a sloping shoulder - if I understand the description correctly. (It shows in the last 2 of my photos below). Edited by Pete2226 07/18/2015 1:12 pm Report this Post to the Staff

kakaratt77 Pillar of the Community United States 1414 Posts	Posted 07/18/2015 1:04 pm No, guess not a partial collar, maybe MD and MAD.. Edited by kakaratt77 07/18/2015 1:17 pm Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 1:18 pm Quote: It's not a partial collar? I have re-examined the edge of the coin and it shows full reeding around the entire circumference. I am thinking that a partial collar would not show that - only partial reeding at least in some places. What else should I look for to find evidence of a partial collar? (And thanks for your help!) Report this Post to the Staff
kakaratt77 Pillar of the Community United States 1414 Posts	Posted 07/18/2015 1:21 pm Pete I revised my response, sorry...I'm learning as well... Report this Post to the Staff
kakaratt77 Pillar of the Community United States 1414 Posts	Posted 07/18/2015 1:22 pm Looks definitely like MD and Misaligned Dies.... Report this Post to the Staff
kakaratt77 Pillar of the Community United States 1414 Posts	Posted 07/18/2015 1:24 pm That link you provided about the Stutter Striking was very interesting, I've not read about it before but I have seen it on numerous Lincolns.... Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 1:27 pm That is ok! We all are learning! I am not aware of any other attribution which would allow for the sloping shoulder on the Obverse beneath the date. What I have been calling Machine Doubling in reference to this coin could just as well, I suppose, be the result of a stutter strike. Couldn't that be the case? Report this Post to the Staff
kakaratt77 Pillar of the Community United States 1414 Posts	Posted 07/18/2015 1:28 pm I'll let the experts chime in when they are on, I only see MD and MAD....not sure about Stutter Striking.. Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 1:32 pm Quote: I have seen it on numerous Lincolns.... Did you happen to keep any photos? Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 1:38 pm I am thinking that a Stutter Strike may also be referred to as die chatter and produces what is called "Flat Field Doubling". I guess that would be a more specific type of MD? Report this Post to the Staff
Halo1st Pillar of the Community United States 2775 Posts	Posted 07/18/2015 3:15 pm Pete, when I first saw this coin, that stutter strike error ref link came to mind that you posted a week or so ago. Seems some die movement going on for sure, creating the MD. If the reeding is all the way around then the collar (if not cracked) was in place holding the coin. The reference (1998P quarter) coin is said to be inverted. Meaning the reverse was the hammer die. Your coin is old school meaning the obverse was still the hammer die. They also use it (1998P quarter) in reference to typeI and typeII stutter strike? Could be wrong, but the shelf around the rim looks flat like the devices on the reverse and not as prominent or raised as the examples second rim. The slope opposite on obverse could be from the die movement or misalignment. Afraid there are to many variables for me. Cool looking none the less. Wait for the experts advise. Thanks, Doug. Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 3:23 pm Thanks for your discussion, Doug. Quote: Your coin is old school meaning the obverse was still the hammer die. Where do you find this information? Report this Post to the Staff
Cascade Pillar of the Community United States 7390 Posts	Posted 07/18/2015 3:24 pm Quote: Did you happen to keep any photos? Pete, here's a VERY similar lincoln I posted a few days ago... https://goccf.com/t/235197 Report this Post to the Staff
Pete2226 Pillar of the Community United States 3331 Posts	Posted 07/18/2015 3:28 pm I remember seeing that Lincoln - nice. I went back to my stack to find this Kennedy again after seeing the post either today or yesterday about MD selling on ebay for - I forget - $40 or so +! Maybe I ought to try it? Report this Post to the Staff
Halo1st Pillar of the Community United States 2775 Posts	Posted 07/18/2015 3:36 pm Pete, Scroll to the bottom topic reply. https://goccf.com/t/94501&SearchTerms=anvil,die Report this Post to the Staff
Cascade Pillar of the Community United States 7390 Posts	Posted 07/18/2015 3:40 pm Md selling for $40? Please explain ... I was wondering if my lincoln had a premium value being so severe as well Report this Post to the Staff
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