Wolrd War One

ACTIVE SERVICE pmkd APO SZ 14 on 22 SP 1916 (Palestine – at Beit El Balah) addressed to England

REGISTERED LETTER ENTIRE 18 items; various FIELD POST OFFICE or ARMY POST OFFICE pmks from various dates in 1918, all but 1 addressed to Cairo or Alexandria; some wit censored hstmps, each with a different number on the r-label (some have mss number prefixed); backs may differ