Multiple franking over 5 Din. (pair) on international registered letter into Arbeiterlager in Walsrode with postal stamp BEOGRAD 1 / 23 from 8.2.42 and censorship treatment through the international country letter test place Vienna as well with arrival postmark WALSRODE from 17.2.42, the cover is with 1 Din. Postage exceeding tariff rate and has a slight tools crease