I recently found this Gibson plate scratch that closes up a gap in the A-B sheet
which I think completes the horizontal layout for this sheet.
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Attachment 220322Sheet%20A-B - Copy.jpg
There were two different fronts used with this plate scratch sheet which has a Sweet Caporal Factory 649op and A SC 649 no print subject for each horizontal position so I think one sheet had all the 649's and other one
had the 649 no prints. There are 5 spots on the bottom row missing the second subject for that particular scratch, 3 649's and two 649 no prints.
Attachment 220340
img358 - Copy.jpg
There are two different plate scratch sheets with a left to right horizontal
scratch and they have two different distinct scratches. One is a heavier single
scratch and the other is thinner scratch that is double in some areas. (That's the scratch on this sheet.)