20 Gr General governor Frank perforated, a little defective with town cancel Warsawa C 2 q 23.6.43 on face on small-format envelope to Vienna, reverse 2 x 2 Gr Hitler and opening defects, the historic, for the respective holder with danger of death connected concomitants accordingly in total good and initially condition, photo expertize Jungjohann as well photo expertize Pieles BPP \"real so named Frank covers are until today only a few have become known\"