I think pop number oddities like your Tannehill example has to do with the print timing and print duration you see this quite a lot especially with print group 1 and 2 subjects. I think at least print group 1 and 2 were printed in several stages for example Tannehill is a print group 2 subject and I think the Piedmonts in this group were printed in 5-6 stages and the Sweet caporals were printed in 2 or 3 stages and if we can ever figure the stages out you would be able to figure out how many and which stages certain subjects were printed in. That's one thing I'm trying to figure out by researching every print flaw I find.
The more research I do the more I'm convinced that The T206's were also printed in more than one American Lithograph facility at the same time and probably each facility had different sheet layouts.
Last edited by Pat R; 09-02-2022 at 11:47 AM.
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