Registered cover (missing part of cover on reverse) posted from "VOJNA POSTA*Br.999*29.6.16" with Serbian censorship "(16) PREGLEDALA/VOJNA CENZURA" in violet (No.16, period of use early June - October 1916), via "TRESOR ET POSTES*502*6 7 16", arr. "REGISTERED/LONDON*26 JY 16". Entire letter included.