Military Post Offices. Degree of Rarity. PS posted from "VOJNA POSTA*Br.28*21.10.17" (M.R.Vukovic study page 176, rarity GV) with Serbian censorship "PREGLEDALA/VOJNA CENZURA (33)", via "VOJNA POSTA*Br.414*2?.10.17" and "VOJNA POSTA*Br.999*25.10.17", fr. with 10c. cancelled with "TRESOR ET POSTES*510*2 11 17" to Weesen.