GB KG5 REGISTERED STATIONERY 1915 ARMY POST OFFICE BASE 2 + TRIANGULAR CENSORS

KG5th pre-paid 3d postal stationery Registered Letter to Great Portland Street London W.C; Army Post Office 2 Registered label + Base Army Post Office 2 cancels dated 8 MY 15; two strikes of crown triangular PASSED BY CENSOR No.966 in pink.