The Ministerial post office on Corfou. Registered cover fr. with 2x5c+10c+2x15c. French stamps (foreign registered letter rate) canc. with linear "POSTES SERBES" and posted from "MINISTARSKA*29.3.-918" with Serbian censorship canc. "CENSURE/MILITAIRE SERBE " in black and French. "OUVERT par lAUTORITE MILITAIRE*309" and tape "CONTROLE POSTAL MILITAIRE", arr. "WEESEN*29.V.18".