cover AUSTRO-HUNGARIAN OCCUPATION: 1918 (5 June) Military envelope from Odessa to Warsaw with F.P.O. "240" c.d.s. and Ministry of War cachet and envelope from Warwas to Odessa bearing typed label stating (in German) that the postal service to Ukraine has not yet opened, also a card and envelope (with 20k.) cancelled F.P.O. "258" c.d.s.