Malaya. (Field Post Offices - Trans- Pacific Mail). 1941. Registered envelope addressed to Surrey bearing Straits Settlements SG 291, $2 red and green tied by Field Post Office/ S.P. 501 double ring with hand-struck 'From H.M.S./ Passed by Censor' and signed and dated by the Commander, endorsed 'By Pan-American Clipper & Air Mail throughout,' Scarce item, two Ocean route over the Pacific and Atlantic. The two dollar rate used between May and December 1941