1929, 20 Pfg eagle along with 5 Pfg Hindenburg on airmail cover from KBS "PLAUEN (VOGTL. ) 8.3.29" on the island in the North Sea Pellworm with arrival postmark with corresponding Cachets, both stamps well perforated, the 20 Pfg right in the perforation partly compressed, the cover to the margins a little scuffed, decorative document with interesting destination