franking with different colours from 0, 50 Din. with 2 Din. and 4 Din. on properly franked local registered cover to the Commander Serbia in Belgrad with posting cancel BEOGRAD 2 / 1 from 11.6.42 as well with arrival postmark on the back BEOGRAD 2/4 from 11.6.42, without censorship, there to a German Office, the cover was folded, otherwise good condition, expertized Brunel