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1974 S Cent W/ A Strange Mint Mark

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Valued Member
United States
330 Posts
 Posted 06/12/2022  2:46 pm  Show Profile   Bookmark this reply Add allcoinsaregood to your friends list Get a Link to this Reply
So COOP what is under the mint mark? The pics clearly show some type of medal under the MM! What do you think it could be? Is it a planchet flaw, or die detieration? Inquiring minds are curious! Regards and glad to hear from you.
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United States
9130 Posts
 Posted 06/12/2022  10:32 pm  Show Profile   Bookmark this reply Add merclover to your friends list Get a Link to this Reply
I'm not seeing what you think you are seeing "under the mm." Can you send us the link to the reference site that shows what you're referring to, please?
ša va bien aller

Valued Member
United States
330 Posts
 Posted 06/13/2022  1:03 pm  Show Profile   Bookmark this reply Add allcoinsaregood to your friends list Get a Link to this Reply
Dont have a reference site! It's what I am seeing under the mint mark on my two closeup pics. I used the coppercoins site to reference coppercoins saw another mint mark under A 1974 S as a reference that one exist. Perhaps I found a new one, merclover!
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United States
58911 Posts
 Posted 06/13/2022  1:17 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
The S/S is a south. Note the bottom loop on the lower loop and on the upper loop on the center. There were two different mintmark punch locations for that die. On your coin, there is Machine Doubling present on the date in the same direction. So the machine caused the affected are on both the date and the mintmark. On a RPM, the punching only affects the mintmark area. Most of the time you see Machine Doubling affecting the date and mintmark in the same directions.

On this coin, you can see the metal striation lines on the affected Machine Doubling on both the date and the mintmark.

The punching of the mintmark area is a separate step on the pre-1990 coins. So if the Machine Doubling on the date and mintmark are in the same direction it is Machine Doubling. This also applies to doubled dies as well:

Note the date is showing a DDO, but the mintmark is showing Machine Doubling with only the date showing a DDO, and the mintmark only showing Machine Doubling. (the mintmark is not affected by the variety, but by the Machine Doubling)

CoopHome: If I see Machine Doubling on the date and the mint mark, what does that mean? it was caused by the machine.
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:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
Valued Member
United States
330 Posts
 Posted 06/13/2022  2:03 pm  Show Profile   Bookmark this reply Add allcoinsaregood to your friends list Get a Link to this Reply
Yahoo MD strikes again! Thank COOP for pointing it out to me! Regards too all.
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United States
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 Posted 06/13/2022  2:08 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
I try to help everyone see, what I see on a coin. Sometimes, my explanations hit the target. So when a return question is asked, I try to explain it a different way. (I often try to make the explanation different as my thinking adjust to new information I discover, I update them) So I'm not offended by a second question to clarify something. (I view it as a challenge, to make it even more clear)
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:
1. Intro, older coins, toned coins 2. Doubled dies 3. Die events, One of a kind errors 4. So called errors, Coin information 5. Coin information Types and Varieties, Overlays
Jefferson nickel doubled dies Wexler/Rebar complete listings

trail dies:http://www.traildies.com/
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