It's master die doubling. Here is a list and description of several that are known.
LINK https://www.lincolncentforum.com/fo...0s-thru-1979
ADDED: As E&V stated, there is also " Machine Doubling". This is on top of the already master die doubling.
LINK https://www.lincolncentforum.com/fo...0s-thru-1979
ADDED: As E&V stated, there is also " Machine Doubling". This is on top of the already master die doubling.
-makecents-
Edited by -makecents-
08/23/2024 08:19 am
08/23/2024 08:19 am


























