6 Pfg Hitler, single stamps from souvenir sheet issues Hitler birthday perforated and cut as well Culture production, always with large Blöckecke, along with 6 Pfg from Guericke, block of four, on larger sized properly franked registered letter with special cancel \"Hamburg / Nazi Party Congress / Power through Happiness 10.6.37\" to Wesermünde with arrival postmark, with age marks, otherwise in good condition, decorative franking