Franking with different colours from 1 Din. (on the back), 2 Din. And 7 Din. (2) on correctly franked domestic registered letter the 2 weight step over 20 g till 250 g with return receipt to Belgradee with postal stamp SOPOT / 1 from 12. 3. 43 as well with censorship seal with censorship postmark 027 / Bgd. The censor office Belgradee and on the back arrival postmark BEOGRAD 2 / 4 from 13. 3. 43