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 Replies: 12 / Views: 1,364 |
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Valued Member
United States
231 Posts |
Found this one while looking through some 1978 stacks that I had. There is doubling on the 1 and 9, and what looks like a RPM on the MM? Thoughts?  |
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Moderator
 United States
56855 Posts |
MD.It is also on the date. John1  |
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Valued Member
 United States
231 Posts |
so MD on the mintmark as well?
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Pillar of the Community
United States
5964 Posts |
When it's on both and in the same direction on a pre-1990 coin, 99% of the time it is Strike Doubling. |
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Pillar of the Community
United States
5964 Posts |
Doubled Dies are on the die first. Before 1990 the mintmarks were added to the dies after the dies were produced, therefore a Doubled Die wouldn't include the mintmark.
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Valued Member
United States
173 Posts |
@CoinMasters Could you please help me with this 1978 LMC? At first I was sure that it was MD, but the more I look at it and in other parts of the coin, the more confused I get. I see examples of doubled die in Cherrypicker's guide, even though this one is not listed there, and can't ignore the similarities in terms of doubled die. Thankfully this penny was in really good shape.   The inside of "B" and "R" is visible here but in looking at the coin through a loop is a lot more obvious.  The "T" and "E" in United seems like MD, but looking closely at the "E" it almost seems like a doubled die to me.  This also confused me with all those extra pillars. Noticed The one on the far right shows the most extra pillars.  |
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Valued Member
United States
173 Posts |
I will gladly post more pictures if needed. Right now I have the coin in a 2x2 coin holder.
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Pillar of the Community
United States
5964 Posts |
Can you make the doubling disappear by angling the coin? If so it's just the lighting. It's normal to have extra at the end columns and two center ones.
Edited by CoinMasters
12/16/2016 8:12 pm
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Valued Member
United States
173 Posts |
which angles do you need?
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Pillar of the Community
United States
5964 Posts |
Can you hold the coin and see the devices without seeing the doubling?
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Valued Member
United States
173 Posts |
I see what you mean, the doubling should be the same height as the device right? If it is below, then it is just Machine Doubling. |
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Valued Member
United States
173 Posts |
Also, the O and R are not aligned
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Pillar of the Community
United States
5964 Posts |
I was thinking it might be just light reflecting. I believe it's MD. You should start your own topic for your next coin. You can get more information that way.
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Replies: 12 / Views: 1,364 |
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Posted 05/24/2016 11:25 pm
