I've seen quite a few 1910 COUPON cards over the years, but have not seen any "printer's plates scratch marks" on their backs like you guys are looking for.
Here are 11 cards of my 1910 COUPON cards......
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No visible printer's scratch marks discernible on these cards. I'll be interested to see a larger sample of 1910 COUPON cards in order to see if any scratch marks
are visible.
Something for you to consider....so far it appears that all the T206 cards with scratch marks posted pertain to the 150 Series PIEDMONT's. However, these T213
cards were printed along with the 350 Series cards in the T206 press runs (circa Spring 1910).
TED Z
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