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1989 D Lincoln Cent Offset Mint Mark

 
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Author Previous TopicReplies: 4 / Views: 319Next Topic  
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 Posted 12/08/2019  09:19 am Show Profile   Bookmark this topic Add Tedpug to your friends list Get a Link to this Message
These are two different 1989 d Mark's. One has a vague mint mark and the other not. The difference is that they are in different locations. The faded mint mark I measured the distance from the 8 and the d (from pictures taken) the faded one is a over a cm and a 1/2 and the other is exactly a 1/2 cm from the 8 to the D mark.



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16698 Posts
 Posted 12/08/2019  10:09 am  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@TP, yes good eye on this. Until I believe 1990, the mintmarks were added by hand to the dies and so there was a bit of variation as to where they were added. These examples show some of that variation.
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 Posted 12/08/2019  10:11 am  Show Profile   Bookmark this reply Add Tedpug to your friends list Get a Link to this Reply
Ok thanks for your expert observation.
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 Posted 12/08/2019  6:05 pm  Show Profile   Bookmark this reply Add John1 to your friends list Get a Link to this Reply
The mark under the 8 looks like a flat gas bubble. The MM is within tolerance.
John1
( I'm no pro, it's just my humble opinion )
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 Posted 12/08/2019  6:19 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
But the answer to your next question is:
?Why are the devices on the date smaller and the mintmark is smaller on one coin??
The question is hidden between these two lines between the question marks. The answer: (To view the question, highlight the blank area)
Because the die was over polished to remove some die deformity. Where a clash mark, die damage like Feeder Finger Damage, die gouges or what ever. When they are over polished, the fields are reduced. What does that mean? The fields are the outside of the dies. The bust/designs are deep into the die. The devices are about mid depth into the die. When the dies are polished, the fields are reduced. The devices (Letters/numbers) are tapered. Wide at the base of the devices, narrow at the tops of the devices:

Note on the above image, the fields that are polished, removes the width of the devices. So on this die, when the fields were reduced, now for the rest of that dies life, all coins devices will be weaker in strength. That is what you have. A coin from a die that the fields were over polished so much that the date and mintmark was weakened.
Richard S. Cooper
Some have asked about my images I use and I'm glad to say, you can now you can see the DVD in sections on youtube:
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Jefferson nickel doubled dies Wexler/Rebar complete listings

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Edited by coop
12/08/2019 6:20 pm
  Previous TopicReplies: 4 / Views: 319Next Topic  
 
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