3 Kr. Perforated (a blunt perforation) with mixed franking with stamps of the same face value 3 Kr. Rouletted as well Prussia 1 Kr. Green as properly franking on international letter from \"GIESSEN 23.1. \" to Geneva with arrival postmark, cover a little patina, stamps otherwise perfect, although the 1 Kr. Stamp from Prussia not ... In a long time war valid, war these without complaint used, very unusual and scarce use with detailed photo certificates Mary Brettl BPP, Volker Mehlmann BPP and Mary Brettl International Association for Philatelie Experts.