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Tilted Die On My 73 LMC?

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Author Previous TopicReplies: 8 / Views: 955Next Topic  
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CoinMasters's Avatar
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 Posted 04/08/2015  9:42 pm Show Profile   Bookmark this topic Add CoinMasters to your friends list Get a Link to this Message Number of Subscribers
It is set so deep on the left side of the coin. Is this the result of a "tilted die"? The reverse is normal.


Tilted-Die-On-My-73-LMC?



Tilted-Die-On-My-73-LMC?

Tilted-Die-On-My-73-LMC?

Tilted-Die-On-My-73-LMC?
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coop's Avatar
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 Posted 04/08/2015  9:42 pm  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
Looks more like a flattening fin on that area.
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 Posted 04/08/2015  9:44 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
A what?
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 Posted 04/08/2015  10:14 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Excess metal pushed up in the die? I know that is a fin/edge.Was the planchet too thick?
Edited by CoinMasters
04/08/2015 10:22 pm
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 Posted 04/08/2015  11:43 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Oh, I see what you're saying, I'll have to check the coin. Thanks Coop
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 Posted 04/09/2015  12:18 am  Show Profile   Bookmark this reply Add coop to your friends list Get a Link to this Reply
From Mike Diamonds site:

Quote:
Abnormally Strong Strike: Finning
Definition: A fin is a thin flange that extends vertically from the rim/edge junction of a coin struck within the collar. It is caused by excessive striking pressure or a localized increase in striking pressure caused by slight die tilt. The extra pressure causes coin metal to squeeze into the narrow gap between die neck and collar. Fins can develop on either face or both faces simultaneously. A fin may encircle a coin or may be restricted to one pole. The latter is the kind typically produced by die tilt.


Link to the site:
http://www.error-ref.com/?s=fin
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 Posted 04/09/2015  12:26 am  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
Thank you Coop.
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 Posted 04/09/2015  12:46 am  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
So the outer ring is the fin, in this case probably caused by a tilted die. I have a few coins with what I was calling double rims, now I know it is finning. Caused by extra pressure.
On second thought I think it's the inner ring.
Edited by CoinMasters
04/09/2015 9:16 pm
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 Posted 04/10/2015  5:54 pm  Show Profile   Bookmark this reply Add CoinMasters to your friends list Get a Link to this Reply
The fin is the outer ring.
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