2 Shillings gray ultramarine, single franking on envelope from \"Flensburg 8 7 67\" to Copenhagen with transit cancel \"Hadersleben 9 7 67\" as well arrival postmark \"Kjobenhavn\" and duplex postmark \"34\"+\"KBH. JB. PST. CT 10 7\", photo expertize Carl Aage Moeller BPP: \"genuine and immaculate\"