50 pfennigs first issue of stamps for Germany after WW II., German printing, black green, perforated L 11 1 / 2 x 11, paper z, corner margin block of six top right (field 8-10 / 18-20), besides field 10 red four place sheet counting number "1143", mint never hinged, very fine, photo expertize Andreas Wehner BPP (2025) "the quality is perfect. ", Michel 4.200.-