6 Pfg Heuss on properly franked printed matter (books slip of paper) 21-50 g from\" (16) MARBURG (LAHN) 26.5.54\" to Stuttgart, well perforated and perfect centric cancellation, faultless condition, cover above imperceptible tear, in choise copy condition, very scarce properly franked single franking, the so only 3 months possible was, literature-well-known piece - in the \"commercially used letters Germany after 1945\" from Werner Götz on S. 751 depicted, ex collection Götz (with owner sign)