1953 BRITISH OVERSEAS AIRWAYS CORPORATION
LONDON to TOKYO FIRST JET SERVICE
Via Rome - Cairo - Beirut - Bahrain - Karachi - Calcutta - Rangoon - Manila

RP-25B: ROME to MANILA
ROMA AERO PORTO (Postmark not clear, 3 Aprile on cachet)
AIR MAIL RECEIVED * MANILA, PHILIPPINES / APR 8 A.M. 1953

RP-25C: BAHRAIN to MANILA
BAHRAIN / 3 AP 53
AIR MAIL RECEIVED * MANILA, PHILIPPINES / APR 5 A.M. 1953

RP-25D: CAIRO to MANILA
AERODROME DU CAIRE / 13.AP.53. 6.-P
AIR MAIL RECEIVED * MANILA, PHILIPPINES / APR 5 P.M. 1953

RP-25E: BEIRUT to MANILA
BEYROUTH / 18. 4 1953
AIR MAIL RECEIVED * MANILA, PHILIPPINES / APR 5 A.M. 1953
ALL FLIGHTS NOT RECORDED

Note:
There is a strong possibility that a LONDON to MANILA cover exist.