A registered letter (Einschreiben) sent from Munich to Dresden in April 1937. The letter is franked with the souvenir sheet commemorating the 48th birthday of Adolf Hitler, supplemented by two additional stamps to meet the correct postal rate for a registered shipment. Postmarks: Cancelled with the special event postmark "München - Hauptstadt der Bewegung" dated 20 April 1937. Arrival Mark: Clear arrival cancellation on the reverse from "Dresden" dated 23 April 1937. Registration: Original red/white registration label "München 25 / 075" and handwritten "Einschreiben!" on the front. Content: Includes the original advertising. The advertising shows a clear pressure-mark from the arrival stamp on the back of the envelope, proving that the content was inside the envelope at the time of processing in 1937. Please See pictures for your own impression