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 Replies: 11 / Views: 1,905 |
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Pillar of the Community
Canada
955 Posts |
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Pillar of the Community
Canada
870 Posts |
Looks like a retained lamination error. The planchet was flawed before striking. Nice find!
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Pillar of the Community
United States
1963 Posts |
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Pillar of the Community
Canada
693 Posts |
Quote:
How/why did this happen? Impurities rolled into the copper planchet can cause it to split (de-laminate) when the coin is struck. |
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Rest in Peace
10197 Posts |
Screwdriver, the twisting caused a weak area to break. Notice the flat on rim next to break, pressure point of screwhead channel. Why jump to mint errors right away? You all know 95% of this is PMD? Edited by Crazyb0
03/14/2017 12:05 am
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Pillar of the Community
 Canada
955 Posts |
Hence pictures 2 and 5 . I agree Crazyb0 somewhat. I think a "tool" of some kind was used possibly trying to lift or enhance the original crack.
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Pillar of the Community
Canada
1049 Posts |
I doubt very much this is the cause of being tooled, copper is a malleable metal, looking at the crack effect this will only be caused by impurities in the copper layering causing surfaces to not be bonded together during the pour and extrusion of the flat stock.
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Valued Member
Canada
154 Posts |
I am with M_d-in_guy on this one, barring anyone being able to duplicate this error.
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Pillar of the Community
Canada
1980 Posts |
i say mint error too, if a screw driver hit it then it would have a dent as copper is soft and malleable and not brittle it was cracked due to a screwdriver it would have alot more distortion around the impact area
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Pillar of the Community
Canada
2301 Posts |
Nice error. Was it touched later, yes. 100% Mint error. The statement of 95% PMD is wrong in my opinion. The crack would show bright and shiny as the tinker mark does. |
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Moderator
 Canada
10458 Posts |
I agree with Mike - struck on a flawed planchet...
"Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert OppenheimerContent of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_USMy eBay store
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Pillar of the Community
Canada
955 Posts |
Quote:
Was it touched later, yes. definitely  thx Everyone. here's the e-bay listing 182489982684Edited by Canacoins
03/15/2017 12:47 am
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Replies: 11 / Views: 1,905 |
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Posted 03/13/2017 10:56 pm
