The Ministerial post office on Corfou. 10c. French PS with linear "POSTES SERBES" and posted from "MINISTARSKA*30.7.-917" with Serbian censorship canc. "CENSURE/MILITAIRE SERBE" in red to Paris. Certificate by dr. B.Novakovic (1980). French postal stationery cards were not sold at Corfu or Salonica front offices. Only this item has been recored, despite the several examples in literature.