15 Pfg posthorn, horizontal strip of four with lower margin and HAN "15272.52 2" on correctly franked registered letter with special cancel "FRIEDRICHSHAFEN / 5. Inner. Lake Constance fair" 3.2.54" to Bad Wimpfen with arrival postmark, well perforated, tiny corner tooth perforation crease top right as well imperceptible corner creases in the exterior lower margins, the pair with the HAN even in perfect condition