1932 Two different First Flight covers from London to Bahrain, both with '30 SP 32' despatch datestamps (London; Bromsgrove) and '7 OCT 32' Bahrain arrival datestamps, one by Imperial Airways First Flight England-India (special envelope), the other with ”By First Flight/London to Bahrain./per Indian Airmail” + airplane cachet in violet, re-addressed back to England.
1938. Air Mail envelope (small part of front missing) addressed to India bearing SG 21, ½a brown (block of eight) tied by Bahrain/Persian Gulf machine style date stamp. Nice block on cover.
1948, registered airmail envelope addressed to Bombay bearing SG 52, 1a on 1d pale red (3) and SG 54, 2a on 2d pale orange (strip of three) tied by Bahrain double ring with m/s 'R' and hand-struck 'Bahrain' with framed 'Airmail' hand-stamp and Bombay arrival. Scarce registered hand-stamp.
1960. Registered Air Mail envelope (shortened on left) addressed to lndia bearing SG 110, 40n.p. on 6d purple (2) tied by oval bilingual Manama-Bahrain date stamp with adjacent registered label and Bombay arrival on reverse.
1961: Postal stationery registered envelope 40np. 'Sheikh Sulman bin Hamad Al Khalifah' with stamp surcharged by two horizontal 'mourning' bars (the Sheik died 21st Oct. 1961), very fine unused.