12 Pfg. machines overprint, margin copy with inverted overprint and printers mark "139 / 6", 12 Pfg. lower margin copy with double overprint, 60 Pfg. carmine red and totally with defective or badly placed perforation pair 24 Pfg. heads I as well two further stamps on about four penny postage exceeding tariff rate registered special delivery letter from BRETNIG 27.2.50 to Bielefeld with arrival postmark, good condition, abridged certificate Paul BPP