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Need Help With A 1979 Penny With An Error..

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Valued Member

United States
57 Posts
 Posted 06/20/2017  11:13 pm Show Profile   Bookmark this topic Add artstaz to your friends list Get a Link to this Message Number of Subscribers
I've had this coin since last year or so ago. I started to review my pennies today and discovered this 1979 P. I think it might be a "double strike", "mechanical die", or a DDO, especially on the "LIBERTY." Please help me out here. I'm truly hoping I found my first DDO, but I guess if I didn't, I will keep on searching.....

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Rest in Peace
Crazyb0's Avatar
10197 Posts
 Posted 06/20/2017  11:28 pm  Show Profile   Bookmark this reply Add Crazyb0 to your friends list Get a Link to this Reply
Hello again Artstaz! The reverse is shelving MD, The obverse is besides the obvious damage is a very worn die state called Die Deterioration. Just spent the past two days trying to make some write-ups on MD, Doubled dies, Die wear...you can be the first to see if it helps you or not!

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See if any of this helps, I have more

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CoinMasters's Avatar
United States
5964 Posts
 Posted 06/20/2017  11:32 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Sorry, it's MD. If you look at the top left of the T, you will see where the doubling reduced the horizontal bar. If it was a Doubled Die, the doubling would have been in addition (increased the length of the bar).
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Potbellypub's Avatar
United States
900 Posts
 Posted 06/21/2017  12:17 am  Show Profile   Bookmark this reply Add Potbellypub to your friends list Get a Link to this Reply
Nice job crazybo!
Valued Member
United States
57 Posts
 Posted 06/21/2017  12:19 am  Show Profile   Bookmark this reply Add artstaz to your friends list Get a Link to this Reply
Thank you both. I will keep this for reference Crazy. This will truly help. I guess I was a little confused between shelving on a double strike verses MD? I thought for sure the reverse look to me like a double strike, but I guess not...

I will keep searching hoping for the first. With the tools that have been given to me, I will use them wisely. Thanks again to both of you.
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spru's Avatar
United States
12477 Posts
 Posted 06/21/2017  02:00 am  Show Profile   Check spru's eBay Listings Bookmark this reply Add spru to your friends list Get a Link to this Reply
Definitely keep searching!

That sketch concerning the difference between normal, Machine Doubling and hub doubling (doubled die) is one I saved a while back from an old thread here (I believe a CCF member made it). It's a very good representation of what the differences are and even how each is created.

Nice work, Crazyb0! I can't keep up with you folks using actual computers with peripherals to create graphics like that.
In Memory of Crazyb0 12-26-1951 to 7-27-2020
In Memory of Tootallious 3-31-1964 to 4-15-2020
In Memory of T-BOP 10-12-1949 to 1-19-2024
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CoinMasters's Avatar
United States
5964 Posts
 Posted 06/21/2017  3:10 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Actually the reverse is Strike Doubled (MD). It's flat and shelf-like. Ocala-Fla, use to use that sketch. I may have misspelled his name.
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Crazyb0's Avatar
10197 Posts
 Posted 06/21/2017  3:55 pm  Show Profile   Bookmark this reply Add Crazyb0 to your friends list Get a Link to this Reply
Coin masters, drawing was done by Chuck Daughtrey of coppercoins.com in 2013 or 2014. Angular perception really does convey the message!
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coinlover1899's Avatar
United States
3058 Posts
 Posted 06/21/2017  4:29 pm  Show Profile   Bookmark this reply Add coinlover1899 to your friends list Get a Link to this Reply
Looks like Machine Doubling.
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CoinMasters's Avatar
United States
5964 Posts
 Posted 06/21/2017  5:11 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
I noticed you'd credited it to CopperCoins. He posted it a few times with no credits, so I figured it was his. I liked it too, and asked him if I could use it sometime. He didn't answer, so I thought that meant no or he didn't see my question.
Daughtrey huh... multi talented man I guess.
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