1 Gr. stamped carmine red in fresh color well when a correctly stamped single franking further escorts "DANZIG 1 3 72" on official matter liable to postage with Prussia K2 to new fairway from there to Berlin in Berlin without success, however also, remained the tries to deliver. The on the reverse rare oval cancel "in Berlin unbestellbar" and blue seal wafer royal PR. Town and circle court to Danzig. An attractive and interesting return cover