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1917 Possible Error Maybe  
 

 
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Canada
471 Posts
 Posted 04/21/2017  12:31 pm Show Profile   Bookmark this topic Add Hounddog Bill to your friends list Get a Link to this Message
I bought this coin thinking it was an error now I'm hoping for confirmation from the error specialist.
It's in uncirculated condition and the reverse has collapsed and is recessed in the areas circled. I don't think it's PMD just take a look inside the holes.
I can guess what might have happened to create these craters but does anyone know what's happened here?

Cheers, Bill







Pillar of the Community
United States
1305 Posts
 Posted 04/21/2017  1:22 pm  Show Profile   Bookmark this reply Add okiecoiner to your friends list Get a Link to this Reply
Gas bubbles in the planchet?
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United States
12318 Posts
 Posted 04/21/2017  1:41 pm  Show Profile   Bookmark this reply Add biokemist6 to your friends list Get a Link to this Reply
Obverse and reverse are unrelated. The obverse is affected by PMD gouges, metal is mounded up around the indentions. The reverse is affected by progressive indirect design transfer(PIDT), a form of die wear also known as "ghosting".
ANA R-3151318
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Canada
7053 Posts
 Posted 04/22/2017  01:12 am  Show Profile   Check SPP-Ottawa's eBay Listings Bookmark this reply Add SPP-Ottawa to your friends list Get a Link to this Reply
At first I thought it was ghosting phenomena, but the shape of the image on the reverse does not match the obverse outline... secondly, ghosting is common with Canadian Edward VII large cents, but is rarely seen with George V large cent series...
"Research is what I am doing, when I don't know what I am doing" --Wernher von Braun

Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US

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Valued Member
Canada
471 Posts
 Posted 04/22/2017  5:04 pm  Show Profile   Bookmark this reply Add Hounddog Bill to your friends list Get a Link to this Reply
Thanks for the help here. I can see the image of the monarch on the reverse now that it's brought to my attention I just wasn't famiiar with ghosting.
The holes in the obverse really have no other explanation except PSD but it's very unusual that there was no evidence transferred to the reverse and they seem to have depth.
Thanks again all.

Cheers, Bill
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Canada
7053 Posts
 Posted 04/23/2017  11:01 am  Show Profile   Check SPP-Ottawa's eBay Listings Bookmark this reply Add SPP-Ottawa to your friends list Get a Link to this Reply
Hi Bill, early George V large pennies from Great Britain probably show the ghosting phenomena the best.

"Research is what I am doing, when I don't know what I am doing" --Wernher von Braun

Content of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_US

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