The Ministerial Post Office on Corfou. Registerd cover fr. with 50c. cancelled with linear "POSTES SERBES" and posted from "MINISTARSKA*24.5.917" (change in Year date) with Serbian censorship canc. "CENSURE/MILITAIRE SERBE" (type XIII/A, M.R. Vukovic study, page 196) and French censorship "OUVERT par lAUTORITE MILITAIRE/303", arr. "WEESEN*22.VI.17".