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1969-S Lincoln Memorial Cent Mint Mark

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Author Previous TopicReplies: 21 / Views: 2,168Next Topic Page 2 of 2
Pillar of the Community
United States
5318 Posts
 Posted 02/08/2008  11:41 am  Show Profile   Bookmark this reply Add KurtS to your friends list
Yeah...I'd say MD too because it looks to be a low-relief shear, and the MM is doubled too. I hope you find one someday....
Valued Member
United States
140 Posts
 Posted 02/08/2008  11:49 am  Show Profile   Bookmark this reply Add MountainXBGL to your friends list
What always amazes me about coins like this one is how MD seems to be selective. I agree that it is MD, but notice how it appears only on the 9 and MM? You can see a little on the 1 but none on the 6 or other 9. When you see stuff like that, it makes you shake your head and think..."how is that possible?"

Is there any other MD on the obverse?
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United States
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 Posted 02/08/2008  11:52 am  Show Profile   Bookmark this reply Add coppercoins to your friends list
ANY time you see identical doubling in the date and on the mintmark of coins produced before 1990 it is always Machine Doubling. This is actually a very classic no-brainer case of Machine Doubling.
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138 Posts
 Posted 02/08/2008  6:21 pm  Show Profile   Bookmark this reply Add Homer1 to your friends list
I would like to see the whole obverse. This is MD but I differ in that mint mark was added afterwards.
Edited by Homer1
02/08/2008 6:22 pm
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 Posted 02/09/2008  09:10 am  Show Profile   Bookmark this reply Add Jim1953 to your friends list
Homer, before 1990, mint marks were hand punched into the die after it was hubbed. This means that any doubling conveyed to the die in the hubbing process would not be on the MM as it was not there when the devises were applied to the die. It was added later.
Jim
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 Posted 02/09/2008  12:35 pm  Show Profile   Bookmark this reply Add livingdinasaur to your friends list
Here is another. This one may be a bit more exagerated. sorry about being up-side down, it is "raw":
1969-S-Lincoln-Memorial-Cent-Mint-Mark

I have other photos of the obverse that show a lot of MD on the profile. They are available if desired.
1969-S-Lincoln-Memorial-Cent-Mint-Mark 1969-S-Lincoln-Memorial-Cent-Mint-Mark

I thought I would post them, after all. They may clarify some details.
Dick
Edited by livingdinasaur
02/09/2008 12:58 pm
Valued Member
138 Posts
 Posted 02/09/2008  12:37 pm  Show Profile   Bookmark this reply Add Homer1 to your friends list
Please be informed that is not entirely true after talking with many grading cos and other Professionals
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138 Posts
 Posted 02/09/2008  12:43 pm  Show Profile   Bookmark this reply Add Homer1 to your friends list
Is that Yours Livingdinasuar? I like to think it's a DD but most think it's MD.
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 Posted 02/09/2008  12:49 pm  Show Profile   Bookmark this reply Add livingdinasaur to your friends list
Anything done to the working die will be conveyed to the planchet. MD is the displacement of metal in any direction, due to the movement in the retraction of the hammer, and the feeder arm inserting the blank into the collar for the next strike. It usually is referred to as "ejection doubling, MD shelf doubling, etc" It always, or most always will affect both the date and MM as a unit, die to physical location, See the profile photos, (if presented). This is clearly shown.
Dick
Edited by livingdinasaur
02/09/2008 1:10 pm
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 Posted 02/09/2008  1:11 pm  Show Profile   Bookmark this reply Add livingdinasaur to your friends list
Homer1, Yes. It is one of two, or three I have.
Dick
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 Posted 02/09/2008  3:16 pm  Show Profile   Bookmark this reply Add coppercoins to your friends list
There's a point of confusion going on here...

The mintmark is added after all the other details on the die in a completely different process...true.

But the mintmark and all the other devices are on the die at the time it strikes coins, making any doubling ( Machine Doubling) that occurs during the striking process include the possibility of doubling ANYTHING on the die at that time, which does include the date and the mintmark.

The idea that the mintmark is added after Machine Doubling occurs is wrong.
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 Posted 02/09/2008  3:39 pm  Show Profile   Bookmark this reply Add livingdinasaur to your friends list
I don't believe there is any RPM. The "appearance" of an "RPM" is due to the displacement of the upper level of the MM, making it "look" like, but in fact is not, an RPM.
Dick
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138 Posts
 Posted 02/10/2008  11:33 am  Show Profile   Bookmark this reply Add Homer1 to your friends list
Thanks for the info.
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 Posted 02/10/2008  9:35 pm  Show Profile   Bookmark this reply Add thingee to your friends list
Thanks for the info and thanks to CC for making it clear!
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 Posted 02/11/2008  12:18 pm  Show Profile   Bookmark this reply Add Jim1953 to your friends list
Thought that was what I was saying, Chuck. Guess I was not very clear.
Thx, Jim
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