20c green, 1863, diagonal bisect used as 10c, margins just touching at right, large at foot, tied to cover by "Charleston S.C. / Jul / 11 / 1864" c.d.s., to Columbia, South Carolina, manuscript docketed "July 11th / 263" at upper left, reduced at left, a remarkably fresh cover and choice example of this rare usage; ex Baer, 1993 Confederate Stamp Alliance certificate no longer accompanies.