I think we'll find that mark to be common to the P350s There are a lot of tiny differences that should eventually lead to a better idea of sheet layouts.
Of course, the one with the big key to plate layouts is the P150 Ted shows. The line across the back is from a big plate scratch that I've seen on a few P150's. I'm still trying to find enough scans to piece them together. 
I think Ted has a green Cobb with the line as well.
Steve B
 
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					Originally Posted by tedzan  My PIEDMONT 150 and SOVEREIGN 150 do not have this mark. But, as Jantz has noted, my PIEDMONT 350 does have a faint trace of this mark. 
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Furthermore....currently, on ebay there is a Mullin with this same "printer's mark" which is quite distinct......
http://www.ebay.com/itm/1909-T206-So...-/150583220279 
Is this just a random phenomena, or do only certain Mullin cards (with respect to their tobacco advertising back) exhibit this DOT  ?
 
It would be interesting to see if a pattern exists....so, when you have a chance, check out your Mullin cards and tell us if your's has this printer's mark.
 
Thanks
 
TED Z |