3c Dull Red, Ty. I (11).
Large margins to just in, tied by bold grid, "Vicksburgh Miss. Apr. 28" circular datestamp on cover with "Louisville & N. Orleans Packet Steamer A.L. Shotwell" corner card
to St. Louis, missing top flap, some overall soiling and edgewear, still Very Fine, scarce, this is reportedly the discovery example of this steamer cover
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