Mixed franking from 1 Din. With 16 Din. On correctly franked local registered cover the 2nd weight step over 20 g to 250 g with advice of delivery and postal stamp BEOGRAD 1 from 4.5.44 and registered stamp Beograd 1 as well with censorship seal with censorship stamp 089 / Bgd. The censor office Belgrad; the cover was folded and has on the back a defect, expertized Dr. Zydek