Great pictures....thanks for posting these cartons....they reinforce my argument as to why American Litho printed the 1910 COUPON cards on thinner cardboard stock.
Furthermore, many 1910 COUPON cards are found with similar paper loss on the upper part of their backs.....for example, here are a few from my collection:

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The consistency of this paper loss on these cards has me thinking that it's because some of these cards were glued onto these cigarette cartons.
Your uppermost carton appears to have such a "glue spot" in its upper right corner.
TED Z
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