Galveston, Texas, 20c black handstamped envelope, fair strike at upper right, corresponding "Galveston / Tex / Aug / 18 / - " double-circle c.d.s. at left, double-weight folded cover to His Excellency Governor Henry W. Allen in Shreveport, Louisiana, light vertical filing fold, the only recorded example by Dietz or Crown of this 20c marking, an important Confederate rarity; ex Hill, Camina, illustrated in Dietz.