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1999 1 cent - Double 999

Posted: Wed May 29, 2019 8:07 pm
by rick.page
Found this while going through my penny jar.

Re: 1999 1¢ - Double 999

Posted: Wed May 29, 2019 9:18 pm
by castor
Hi

Ejection doublind (mechanical doubling)

Re: 1999 1¢ - Double 999

Posted: Wed May 29, 2019 9:21 pm
by castor
"Correction word doubling"

castor wrote:Hi

Ejection doubling (mechanical doubling)

Re: 1999 1¢ - Double 999

Posted: Thu May 30, 2019 6:03 am
by rick.page
Aren't all doubling errors Mechanical Doubling since they are stamped on machines?

Re: 1999 1¢ - Double 999

Posted: Thu May 30, 2019 11:04 am
by castor
rick.page wrote:Aren't all doubling errors Mechanical Doubling since they are stamped on machines?


Hello

"Ejection doubling" is a form of mechanical doubling.

All mechanical doubling are not doubled die.

You have the explanation of how the " ejection doubling" occurs in this link.

http://www.error-ref.com/?s=ejection+doubling