Mixed franking from 2 Din., 3 Din. And 7 Din. (pair) on domestic registered letter with return receipt the 2. weight step over 20 g to 250 g to Belgrad with postal stamp NOVI BECEJ from 24.2.44 and registration label with German toponym new BETSCHE as well with censorship seal with censorship stamp 085 / Bgd. The censor office Belgrad. The registration label is rare. The cover was folded and is with 2 Din. Postage exceeding tariff rate. Expertized. Krischke