It appears that the outer clad layer fatigued when being pressed.
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Originally posted by Zimmy View PostCould those be die polishing lines or maybe die fatigue? I don't see any lamination error.
They could be. If it was die fatigue wouldn’t the marring/fatiguing also be seen on the letters and numbers and not just between and under. And if it were polishing it would be hard to have the markings continuing consistent on either side of the lettering/numbers?
either way it creates quite the effect when not zoomed in on, almost a frosted, aura lookLast edited by Ronald; 03-13-2023, 03:50 PM.
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Originally posted by Zimmy View PostCould those be die polishing lines or maybe die fatigue? I don't see any lamination error.
guess I’m going to have to breakdown and get me a Nikon setup like E Axtell’s.
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die fatigue (or some thing similar). this is extremely common on modern post-64 coinage. i see it a LOTTTTTTTT on modern quarters. it looks kinda neat on some of them.coinfacts.com - conecaonline.info - board.conecaonline.org/forum/numismatic-site-links - briansvarietycoins.com - coppercoins.com - cuds-on-coins.com - doubleddie.com - error-ref.com - franklinlover.yolasite.com - ikegroup.info -lincolncentresource.com - maddieclashes.com - money.org - ngccoin.com/price-guide/world - ngccoin.com/census - ngccoin.com/resources/counterfeit-detection - nnp.wustl.edu - pcgs.com/pop - pcgs.com/coinfacts - pcgs.com/photograde - varietyvista.com - vamworld.com
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Originally posted by Ronald View Post
Looking into this further, thanks to your input, I found a coin online, 1997 D, that resembled this anomaly. It was thought to be an attempt to polish out a clashed die. Thanks again for your input.
guess I’m going to have to breakdown and get me a Nikon setup like E Axtell’s.coinfacts.com - conecaonline.info - board.conecaonline.org/forum/numismatic-site-links - briansvarietycoins.com - coppercoins.com - cuds-on-coins.com - doubleddie.com - error-ref.com - franklinlover.yolasite.com - ikegroup.info -lincolncentresource.com - maddieclashes.com - money.org - ngccoin.com/price-guide/world - ngccoin.com/census - ngccoin.com/resources/counterfeit-detection - nnp.wustl.edu - pcgs.com/pop - pcgs.com/coinfacts - pcgs.com/photograde - varietyvista.com - vamworld.com
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Originally posted by occnumis2021 View Postdie fatigue (or some thing similar). this is extremely common on modern post-64 coinage. i see it a LOTTTTTTTT on modern quarters. it looks kinda neat on some of them.
thanks for the reply.
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it is die fatigue. you can see this effect on many different coinage. the extreme version of it is on capped bust halves (and perhaps other bust coinage).
not saying there is no grease struck through but i don't see any from the image and that is not what caused the effect on the obv.
i only answer because zimmy hasn't been active here for 10 days or more.
https://www.error-ref.com/die-deteri...ubling-raised/
i have (and others) referred to these as "meal flow lines."
takes an immense amount of pressure and time to create them usually not too dissimilar from a river carving a canyon over time really.
another neat link/article. - https://www.coinworld.com/news/us-co...d-early-d.html
a related effect - https://www.error-ref.com/die-deterioration-doubling/coinfacts.com - conecaonline.info - board.conecaonline.org/forum/numismatic-site-links - briansvarietycoins.com - coppercoins.com - cuds-on-coins.com - doubleddie.com - error-ref.com - franklinlover.yolasite.com - ikegroup.info -lincolncentresource.com - maddieclashes.com - money.org - ngccoin.com/price-guide/world - ngccoin.com/census - ngccoin.com/resources/counterfeit-detection - nnp.wustl.edu - pcgs.com/pop - pcgs.com/coinfacts - pcgs.com/photograde - varietyvista.com - vamworld.com
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Originally posted by occnumis2021 View Postit is die fatigue. you can see this effect on many different coinage. the extreme version of it is on capped bust halves (and perhaps other bust coinage).
not saying there is no grease struck through but i don't see any from the image and that is not what caused the effect on the obv.
i only answer because zimmy hasn't been active here for 10 days or more.
https://www.error-ref.com/die-deteri...ubling-raised/
i have (and others) referred to these as "meal flow lines."
takes an immense amount of pressure and time to create them usually not too dissimilar from a river carving a canyon over time really.
another neat link/article. - https://www.coinworld.com/news/us-co...d-early-d.html
a related effect - https://www.error-ref.com/die-deterioration-doubling/
- 1 like
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