Montenegro 1919 Military mail Cover to France

envelope written from a Lietenant in the Montenegro Division of the French Army in Marseille headed "Correspondance Militaire" with Military cachet "Assistance Aux Convalescents Militairs / Consulat General de Montenegro 305, Avenue de Prado Marseille" double-ring in Violet. Very Scarce item for the exhibitor. (pt)    ID: 19728