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 TerybleVeteran Member
Posts: 316
Joined: 17 Apr 2008
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 Posted: Tue Feb 17, 2009 9:45 am |
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Hey coop aren't you the one who does overlays? This is a 1968D. The obverse is normal, but this is the reverse. Is this part of Mr Lincoln?
Thanks Tery
[IMG]
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In the 60's, people took acid to make the world weird.. Now the world is weird and people take Prozac to make it normal.
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 coopExpert Member
Posts: 3402
Joined: 17 Sep 2003
Location: Arizona
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| Posted: Tue Feb 17, 2009 2:00 pm |
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Yes. A very worn down die clash. May have happened many times. The whole outline of the bust will probably be seen looking around the bust fields.
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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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 eagamesExpert Member
Posts: 3013
Joined: 15 Nov 2005
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| Posted: Tue Feb 17, 2009 3:04 pm |
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Some dealers describe coins with polished over clash marks as "hamered" because they think it's from strong strikes that make the other side show through. LOL 
Of course they're wrong 
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Ed
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 coppercoinsSite Admin
Posts: 2809
Joined: 29 Jun 2003
Location: Springfield, Missouri.
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| Posted: Tue Feb 17, 2009 4:15 pm |
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I have suspition that this effect is actually caused by die erosion, and works in some similar fashion to die clashes. I believe this hump is due to the extra pressure difference from obverse to reverse and is a transfer of design...but there's where the likeness to die clashes ends. This type of transfer of design can happen without the obverse and reverse dies ever meeting. I really doubt the clash theory, for two reasons:
1. In many cases the reverse fields are actually warped to match the rough outline of the bust, but there are no hard lines as would be the case with a clash.
2. Nearly all cases of this 'erosion' I have seen are on LDS-VLDS coins.
Another interesting note is that this effect is most common on 1965-1973 cents, and is all but unheard of in zinc cents.
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owner, developer
www.coppercoins.com
cd@coppercoins.com
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