בידספיריט | British WWI military mail in

British WWI military mail in Egypt: cutout 24 JY 1918 strike of FPO SZ 19 (PALESTINE?) single dateline postmark: unlisted template in Proud & FB and none listed as being inverted 5 and Z at base ; locale assignment not documented in Proud, possibly EEF prior to BAALBEK (7 Nov).