0, 50 ++ 1, 50- 4 ++ 12 D. For the prisoner of war with letter "E and right" by 0, 50 and 1 Din. Tips downward, by 2- 4 Din tips to the top, with special cancel "Beograd 6. XII. 1941 on unlabeled decorative cover. The cancelled 0, 50 Din is in this type very rare, photo expertize Brunel BPP, Michel 1770,- ++