The Serbian Army in North Africa (1916-1918). Registered cover with manuscript "Langue Serbe N.36413" fr. with 2x25c. and posted from "BIZERTE*2?.X.17" with censorships "CENSURE/MILITAIRE" in violet (type XI/2, M.R.Vukovic study page 195) and "OUVERT par lAUTORITE MILITAITE*878", arr. "LAUSANNE*11.XI.17".