The Serbian Army in North Africa (1916-1918). Military post office at Bizerta. Registered cover fr. with 2x25c. and posted from "POSTE MILITAIRE SERBE*BIZERTE*5 8 18" with censorships "CENSURE MILITAIRE SERBE/C" in violet and "OUVERT par lAUTORITE MILITAIRE*877" and tape, via "TUNIS*6 8 18", arr. "LAUSANNE*15.VIII.18". This circulars CDS was used during 1918, but only very rarely. This ia one of perhaps 10 covers known, where the stamps have been cancelled with this CDS. It bears no postmark from the Tunisian post office at Bizerte. All examples were registered covers with censor mark "C".