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1988 D LMC thickest mintmark I have ever seen. Possible MMS-011?

 
 
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 Posted 07/10/2018  9:21 pm Show Profile   Bookmark this topic Add Jim0815 to your friends list Get a Link to this Message
I found this 1988 D LMC with the thickest mintmark I have ever seen. It is almost three times thicker than the numbers. Why would this devise be so much thicker than the devises above it?



Edited by Jim0815
07/11/2018 07:55 am
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 Posted 07/10/2018  9:27 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Wow Jim! That's a pretty thick mint mark! I'm not sure what caused it, but it's very unusual for sure.
Errers and Varietys.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
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 Posted 07/10/2018  9:34 pm  Show Profile   Bookmark this reply Add Jim0815 to your friends list Get a Link to this Reply
It is for sure! I see no signs of grease or abrasion on any of the other devises to make them thinner. Everything is of normal size and depth.
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 Posted 07/10/2018  9:51 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Jim, maybe they made the mint mark punch a little too thick?
Errers and Varietys.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
1988 P LMC RDV-006, 1998 P LMC Wide AM, and 2000 P LMC Wide AM. http://goccf.com/t/327834 http://goccf.com/t/294303 http://goccf.com/t/312900
1973 D Lincoln Memorial cent With Recurring Die Subsidence Error Information. http://goccf.com/t/304624
Machine Doubling tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
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 Posted 07/10/2018  9:57 pm  Show Profile   Bookmark this reply Add Jim0815 to your friends list Get a Link to this Reply
A very distinct possibility!
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 Posted 07/10/2018  10:56 pm  Show Profile   Bookmark this reply Add Waynoah83 to your friends list Get a Link to this Reply
Maybe they had to do some polishing there and thought the mm was getting a little skinny so they repunched it and it went a little deeper than normal. That would possibly explain why there's such a discrepancy in size and height too. This coin might be a late die state and having the mm repunched on the die, on top of the old one, you end up with something like this. We all know those 88's are notorious for polishing and the D's are usually pretty skinny. That's just my theory. Don't know if any of the above mentioned is even feasible. Just throwing this out there, do any mints produce for other mints? Did Philly make some for Denver and have a Diff mint mark? It doesn't look like it's in the usual spot.
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 Posted 07/10/2018  10:59 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Keep in mind the mint mark is added to the die by hand till 1990. So if the punch set it that deep, it would be normal for that year. Not a RPM. Just a deeper set mint mark into the die. Now taller on the coin than the date devices.
Richard S. Cooper
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 Posted 07/11/2018  05:22 am  Show Profile   Bookmark this reply Add Jim0815 to your friends list Get a Link to this Reply
Thanks Waynoah and Mr. Coop. After doing a little research error-ref calls this a deeply punched mintmark. They are not for sure what exactly causes it but it's unusual in the fact that the interior of the D is just slightly below the devise yet higher than the surrounding fields. Error-ref actually have this as a variety.
Edited by Jim0815
07/11/2018 05:50 am
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 Posted 07/11/2018  07:07 am  Show Profile   Bookmark this reply Add Jim0815 to your friends list Get a Link to this Reply
@coop, the info I found on V.V. shows that the mintmark used for 1988 D was the MMS-012, 1987 D's used the MMS-011 with a few using the MMS-012. On the error-reference site they explained the deep punched mint mark referencing the 1987 D as the year with the deep punched mint mark and had a couple of pics of of them. The more I look at this cent the more I am convinced the mintmark on my 1988 D is a MMS-011.
Edited by Jim0815
07/11/2018 07:39 am
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