1 Groschen Grosser Schild on a small piece of mail, cancelled with a horseshoe postmark "HAMBURG I. A. 26 FEBR. 73 7-71 / 2 N." Spalink 17-2, very fine condition, unsigned, plate flaw XXI: "eighth line of the first line is missing, field 106", photographic finding by Martin-Wolfgang Sommer BPP (2001), Michel 30,- +