A place for show-and-tell, wondering aloud, and wandering the trails of curiosity . . . Comments, corrrections, additional information, fresh insights, other interpretations, more images, or related observations will be welcomed!
Advertising cover and trade card. I like "envelope-on-envelope" covers, and I like trade cards with facsimile stamps, but this pair is exceptional.
The top one is a mailed cover and the lower is the trade card within!
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