Eagle City Post, Philadelphia, Pennsylvania, (2c) black on grayish paper,  without "WS" initials, cut to shape and affixed to cover, cancelled in manuscript, red handstamped "5" alongside, postmarked "Norristown Pa / Aug / 7" c.d.s., to Nathan R. Potts of Philadelphia, some wrinkling affecting adhesive, the odd spot of discoloration, yet an immensely rare local stamp, one of only four examples recorded; ex Needham, Gibson, and Middendorf, with Gibson's ownership mark on reverse.