Bahrain Timline (01-Jan-1931 - 31-Dec-1940)

COVER
Date: 12-Jul-1937
Cover Type: Airmail
COVER
Date: 25-Sep-1937
Cover Type: Airmail
COVER
Date: 13-Oct-1937
Cover Type:
COVER
Date: 27-Nov-1937
Cover Type: Overland Mail
COVER
Title: 5 December 1937: Cygnus crash at Brindisi, Italy
Date: 05-Dec-1937
Cover Type: Crash Mail
Stamps
Title: 5 December 1937: Cygnus crash at Brindisi, Italy
COVER
Date: 19-Dec-1937
Cover Type: Airmail
COVER
Title: 1938 Incoming Postage Due Cover sent from Persia to Bahrain
Date: 07-Jan-1938
Cover Type: Commercial
Stamps
Title: 1938 Incoming Postage Due Cover sent from Persia to Bahrain
USED STATIONERY
Title: 1938 Uprated 1a Prepaid Envelope sent from Bahrain to the USA
Date: 21-Sep-1938
Cover Type: Commercial
Stamps
Title: 1938 Uprated 1a Prepaid Envelope sent from Bahrain to the USA
COVER
Date: 29-Sep-1938
Cover Type: Airmail
COVER
Title: 1938 Mail from Bahrain to USA via France
Date: 06-Nov-1938
Cover Type: Commercial
Stamps
Title: 1938 Mail from Bahrain to USA via France
COVER
Date: 23-Nov-1938
Cover Type: Airmail
COVER
Title: 1938 Incoming Postage Due Cover sent from the USA to Bahrain
Date: 12-Dec-1938
Cover Type: Commercial
Stamps
Title: 1938 Incoming Postage Due Cover sent from the USA to Bahrain
COVER
Title: 1938 Registered Philatelic Mail from Bahrain to London
Date: 13-Dec-1938
Cover Type: Philatelic
Stamps
Title: 1938 Registered Philatelic Mail from Bahrain to London
COVER
Date: 20-Mar-1939
Cover Type: Airmail
COVER
Title: 1939 Postage Due Mail from Bahrain to Persia
Date: 29-Mar-1939
Cover Type: Commercial
Stamps
Title: 1939 Postage Due Mail from Bahrain to Persia