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2019-D LSC- Perfect Spherical Depression

 
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Author Previous TopicReplies: 10 / Views: 567Next Topic  
Pillar of the Community
United States
3856 Posts
 Posted 10/12/2019  8:44 pm Show Profile   Bookmark this topic Add CoinHunter27 to your friends list Get a Link to this Message
Found this among so far 15 2019-D DDO-001s. It's a perfect spherical depression. There is no true way to know if this was a Rockwell hardness test, but I figured I'd post it. Thanks for looking!

-CH27




"Time is the coin of life. Only you can determine how it will be spent" -Carl Sandburg
A few notable finds:
1857 FEC DDO S-4 FS-101:
http://goccf.com/t/368150
1888-O $1 Hot Lips VAM-4:
http://goccf.com/t/363580
1970-S 1C DDO FS-103
http://goccf.com/t/372456




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United States
340 Posts
 Posted 10/12/2019  10:58 pm  Show Profile   Bookmark this reply Add CoinHI to your friends list Get a Link to this Reply
Cool, There is a thread trying to document these marks here

on Hemispherical Depressions
[url]http://goccf.com/t/237597&whichpage=9/url]

Best Find - 1976 D WQ DDO-001 http://goccf.com/t/356041

Interesting find - 1947 S over inverted S http://goccf.com/t/368005
Edited by CoinHI
10/12/2019 11:02 pm
Bedrock of the Community
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United States
26530 Posts
 Posted 10/12/2019  11:12 pm  Show Profile   Check Errers and Varietys's eBay Listings Bookmark this reply Add Errers and Varietys to your friends list Get a Link to this Reply
Probably Struck Through water or oil.
More information about Die Deterioration? http://goccf.com/t/317950
Retired U.S. Mint Coin Die Set information. http://goccf.com/t/302961
Machine Doubling Tutorial. http://goccf.com/t/332421
Die states progression on coins. Scroll down, so you can see the different die state progressions. http://goccf.com/t/325638
Die Deterioration Doubling Tutorial. http://goccf.com/t/336470
Split Plate Doubling Tutorial. http://goccf.com/t/357614
Pillar of the Community
United States
3139 Posts
 Posted 10/12/2019  11:19 pm  Show Profile   Bookmark this reply Add Greasy Fingers to your friends list Get a Link to this Reply
One to ponder on....

Edited: Is the Rockwell test being used on zinc Lincolns ?
Edited by Greasy Fingers
10/12/2019 11:20 pm
Pillar of the Community
United States
3856 Posts
 Posted 10/12/2019  11:29 pm  Show Profile   Bookmark this reply Add CoinHunter27 to your friends list Get a Link to this Reply
To be honest Greasy Fingers, I don't know.

-CH27
"Time is the coin of life. Only you can determine how it will be spent" -Carl Sandburg
A few notable finds:
1857 FEC DDO S-4 FS-101:
http://goccf.com/t/368150
1888-O $1 Hot Lips VAM-4:
http://goccf.com/t/363580
1970-S 1C DDO FS-103
http://goccf.com/t/372456




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United States
44288 Posts
 Posted 10/13/2019  7:59 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Looks like damage. Note how a wave is forming on the outer edge of the cavity? That shows it happened after the strike. Kind of like a meteor crater.


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/
Edited by coop
10/13/2019 8:09 pm
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United States
15965 Posts
 Posted 10/13/2019  8:20 pm  Show Profile   Bookmark this reply Add Spence to your friends list Get a Link to this Reply
@ch27, while it may be rounded, this shape is definitely not spherical. Also, I agree that the metal looks slightly "smushed" up from about 9 to 1 o'clock around this depression.


"If you climb a good tree, you get a push."
-----Ghanaian proverb

"The danger we all now face is distinguishing between what is authentic and what is performed."
-----King Adz

Pillar of the Community
United States
1228 Posts
 Posted 10/13/2019  8:38 pm  Show Profile   Bookmark this reply Add Willburton to your friends list Get a Link to this Reply
You're on it coop!
Pillar of the Community
United States
3856 Posts
 Posted 10/13/2019  9:20 pm  Show Profile   Bookmark this reply Add CoinHunter27 to your friends list Get a Link to this Reply
Thanks all! Not my best coin day today is it?

-CH27
"Time is the coin of life. Only you can determine how it will be spent" -Carl Sandburg
A few notable finds:
1857 FEC DDO S-4 FS-101:
http://goccf.com/t/368150
1888-O $1 Hot Lips VAM-4:
http://goccf.com/t/363580
1970-S 1C DDO FS-103
http://goccf.com/t/372456




Pillar of the Community
United States
749 Posts
 Posted 10/13/2019  11:33 pm  Show Profile   Bookmark this reply Add Panther to your friends list Get a Link to this Reply
Not only is there crater edging, the indentation is at an angle. The Rockwell test I would imagine should be a direct straight on hit.

Dan
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United States
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 Posted 10/14/2019  07:15 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
The meteor crater is 3/4 mile wide. The meteor broke up on Impact and pieces expelled out a distance away.
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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