9 9 Kr. stamped on brown orangely in fresh color considerably, perforated well, when correctly stamped single franking on mail stick-on address label with clear K1 "FRANKFURT A/M. 31 7 74" together with package piece of paper to Düdelsheim (arrival postmark) at Büdingen. Certificate Krug BPP "not frequent single franking ... in perfect condition."Michel, 1.300.-