1917, Germania 1917, 5 Pfg plus 15 Pfg gray violet vertical and ditto horizontal as exclusive franking on properly franked special delivery cover from RENDSBURG 20.12.18 to Hamburg, arrival 21.12.18, the vertical unit corner fault, otherwise faultless condition, cover small as usual traces of usage, photo expertize Weinbuch BPP ". properly frankings with se-tenant in this kind are not common