Mixed franking from 1 Din. With 16 Din. On correctly franked domestic registered letter the 2. weight step over 20 g till 250 g with return receipt to Belgradee with postal stamp BELA PALANKA / 1 from 11. 12. 43 as well with censorship seal with censorship postmark 069 / Bgd. The censor office Belgradee and with arrival postmark on the back BEOGRAD 2 from 13. 12. 43