Persian Gulf. (Bahrain - Trans Pacific Mail). 1941. Air Mail envelope addressed to California Bahrain SG 23, 1a carmine, SG 32, 1r brown and grey and SG 33, 2r purple and brown tied by Bahrain double ring '22nd June 41' , endorsed' Via B.O.A.C. to Auckland/ Pan American Airways to San Francisco' with 'Opened Censor' label tied by triangular 'Passed By Censor/ A 11' on face. Lovely item of censored mail routed via Hong Kong and New Zealand on the Trans-Pacific Service. Ex Proud.