Mixed franking from pair over 1 Din. With pair over 4 Din. On international registered letter to Altenburg / Lower Danube with postal stamp ANDREJEVAC TIMOCKI / 1 from 9.4.42 and censorship treatment through the international country letter test place Vienna as well with arrival postmark ALTENBURG, BEZ. HORN from 20.4.42, the cover is with 1 Din. Postage exceeding tariff rate