Lot #39 - world war one french

FRENCH MILITARY FORCES pmkd Tresoret Postes 601A 20-5-1919, black military (partial) hstmp UNIT 951 mail from this unit is rare] censor sealing label on front; BASE POST OFFICE “C” 21 MY 18 & ARMY POST OFFICE “A” SZ 22 22 MY 18 & BASE POST and PORT SAID arrival on back, cvr open on 3 sides