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All Forums Category: World Coins and Currency Forums Forum: World Variety and Error Coins

What Caused These Lines Of Metal (Costa Rica 100 Colones 1995)

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bjherbison
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United States
257 Posts
 Posted 05/25/2019  1:55 pm Show Profile   Bookmark this topic Add bjherbison to your friends list Get a Link to this Message Number of Subscribers
I have two 1995 100 Colones coins from Costa Rica. One is in good shape and the other has seen circulation (sold as a 1995/1995 overdate).

The obverse of circulated coin has small needles of metal on the edges of the design and some letters, mostly pointing away from the center of the coin. The reverse looks fine. I've included images of the full obverse, some detailed areas, and the date area of the "overdate".

The better coin has similar (but smaller) pieces of metal on the reverse, while the circulated coin doesn't have any.

What causes these metal shapes on the coins? (And is the 1995/1995 really an overdate?)
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
What-Caused-These-Lines-Of-Metal-Costa-Rica-100-Colones-1995
kanga
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United States
5825 Posts
 Posted 05/25/2019  2:48 pm  Show Profile   Bookmark this reply Add kanga to your friends list Get a Link to this Reply
Lines like that are often die adjustments.
Possibly the results of correcting a die clash.
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bjherbison
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United States
257 Posts
 Posted 05/25/2019  6:55 pm  Show Profile   Bookmark this reply Add bjherbison to your friends list Get a Link to this Reply
Thank you. Is there a good place to learn more? (I tried searching but just kept coming up with die adjustment strikes.)
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All Forums Category: World Coins and Currency Forums Forum: World Variety and Error Coins



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