Monasteries 12 and 2 Din. In mixed franking on correctly franked airmail foreign countries R cover to Berlin with postal stamp "BEOGRAD 1 / 19" from 6.7.43 as well with censorship seal the international country letter test place Vienna and with arrival postmark on the back BERLIN from 10.7.43, smaller transport traces, expertized Krischke, provenance collection Belgrad