Souvenir sheets 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 cover 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 cancellation cancelled