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 Bob PSite Admin
Posts: 3482
Joined: 01 Jul 2003
Location: Niceville, Florida
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 Posted: Fri Mar 14, 2008 7:01 pm |
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I found this one this evening, and although I know little about the process of edge lettering on the dollar coins, this one is pretty cool. I sent an email to Mike Diamond to see if he knows what may have caused it, and I will let you know what he says. Anyway, I call it my "ION" dollar for reasons you can plainly see 
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Bob Piazza
Site Admin/Moderator
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bobp@coppercoins.com
mustbebob1@gmail.com
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Bob PSite Admin
Posts: 3482
Joined: 01 Jul 2003
Location: Niceville, Florida
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| Posted: Fri Mar 14, 2008 7:41 pm |
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I got Mike Diamonds reply to my email about what causes this. Here is what it is.
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A lot of Presidential dollars have shown up with slightly raised, mirror-image letters and numbers on the edge. Yours looks to be one of these. All are contact marks that are generated when the edge of one dollar forcibly collides with the edge of another dollar. When a normally-oriented, incuse element makes contact with the edge of another dollar, it is transferred as a raised, mirror-image element. They are not errors, just damage.
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Thanks Mike for your reply on this one!
Now that I know it's damage, I still think it's pretty cool. I have since found a few more examples of this damage.
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Bob Piazza
Site Admin/Moderator
Attributer/Photographer
bobp@coppercoins.com
mustbebob1@gmail.com
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 RobertSenior Member
Posts: 896
Joined: 05 Jul 2003
Location: Oklahoma
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| Posted: Fri Mar 14, 2008 8:37 pm |
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Nice find!
I wonder if it's positively or negatively charged. (science geek joke).
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 coopExpert Member
Posts: 3402
Joined: 17 Sep 2003
Location: Arizona
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| Posted: Sat Mar 15, 2008 5:19 pm |
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That's what I have always thought on the extra letter rims. Because they are incuse, when they strike another coin it leaves a raised mark. I figured that out a while back when they started to appear.
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Richard S. Cooper
You may be only one person in the world, but you may also be the world to one person.
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