Souvenir sheet issue to the 45. Birthday of Adolf Hitler, along with two horizontal pairs the souvenir sheet stamps and one 6 Pfg Hindenburg in properly franked mixed franking on registered letter in the II. Weight step, from \"BERLIN CHARLOTTENBURG 5 d 20.4.37\" (as canceler on the 6 Pfg Hindenburg) to Haagen (Baden). The Hitler issues are with Berlin birthday special cancel cancelled.