Printed "THE SERBIAN ECONOMIC MILITARY DIRECTION/SALONICA" cover posted from "VOJNA POSTA*Br.999*14.5.17" with Serbian censorship "PREGLEDALA/VOJNA CENZURA (40) in blue (No.40, period of use March - May 1917), via "BASE ARMY POST OFFICE-X*29 MAY 17" to Lonndon. LAST DAYS OF USE for this censorship.