Confederate States, Mobile, Ala., CSA 58X2, 5c Blue, Vertical Pair, on Cover to Richmond, Va.

The pair with large margins except in at top, tied by "Mobile Ala., Jul 26, 1861" double-circle datestamp with inverted date and a partial Patriotic Stars and Bars Flag and Sailor sticker affixed at left. 1861 docketing at left. The cover repaired at top with no flap. An attractive cover.
The 8 Star design of the sailor sticker is unlisted in Confederate Patriotic Covers Including a Check List of All Known Designs by Van Dyk Macbride. He lists an 11 star and 7 star variety on page 62.