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1982 Mexico 50 Pesos Strike W/ Blank Rim (No Reeding)

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silverdollar2011's Avatar
United States
385 Posts
 Posted 05/05/2013  02:22 am Show Profile   Bookmark this topic Add silverdollar2011 to your friends list Get a Link to this Message Number of Subscribers
Hi guys,
I posted this coin that I found a few days ago, and enjoyed reading all of your comments.
To my surprise, this coin has a blank rim which seems unprocessed because when I measured it with a caliper, it came up as the same diameter as an original non-error 1982 50 Pesos that I have.
could this mean that this is extremely rare? so cool how coins could be defected this much lol,
Thanks for reading.
1982-Mexico-50-Pesos-Strike-W/-Blank-Rim-No-Reeding
1982-Mexico-50-Pesos-Strike-W/-Blank-Rim-No-Reeding
1982-Mexico-50-Pesos-Strike-W/-Blank-Rim-No-Reeding
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swamperbob's Avatar
United States
5362 Posts
 Posted 05/05/2013  4:56 pm  Show Profile   Bookmark this reply Add swamperbob to your friends list Get a Link to this Reply
The coin appears to be a broadstrike. This happens when a planchet enters the coining chamber slightly off center and the collar die can not rise. The result is much the same as a coin struck in an old screw press.

The fact that you can not measure an appreciably expansion in the coin's diameter is because in a collared strike the planchet is undersized and swells to fill the chamber. In this case there may be a very near balance between broadstrike diameter and collared diameter. It just happens and is a function of striking pressure.
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