Mixed franking from pair over 1, 50 Din. With 4 Din. On properly franked domestic registered letter to Belgrad with postal stamp KRAGUJEVAC 1 / 4. From 4.2.42 as well with censorship seal with censorship stamp 73 the censor office Belgrad and arrival postmark BEOGRAD 2 / 21 from 7.2.42, the cover was folded and has transport traces, expertized Brunel