cover 1898 (25 May) printed "Soldiers' and Seamen's Envelope" 1a. on 9p. to England, apparently used for civilian mail and additionally franked by ½a. (3), cancelled by "ADEN" squared-circle d.s. (KD20), the adhesives additionally tied by penstrokes, showing arrival c.d.s. on reverse. Attractive and most unusual. Photo