The Ministerial post office on Corfou. Registered cover fr. with 2x25c. French stamps (foreign registered letter rate) with linear "POSTES SERBES" and posted from "MINISTARSKA*22.9.-917" with Serbian censorship canc. "CENSURE/MILITAIRE SERBE " in red and French. "OUVERT parl"AUTORITE MILITAIRE*303" and tape "CONTROLE POSTAL MILITAIRE", arr. "ZURICH*19.X.17". The letter was sent from "SERBIAN RELIEF FUND CORFU".