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

1a
Title: Imperial Inland Postage Rate: 1936 to 1940 Postal Administration: Indian Postal Administration
Earliest Usage: 01-Oct-1936 Latest Usage: 30-Nov-1940
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1.25as
Title: The 1.25as Imperial Inland Postage Rate: 1940 to 1942 Postal Administration: Indian Postal Administration
Earliest Usage: 01-Dec-1940 Latest Usage: 31-Mar-1942
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0.75a
Title: Imperial Inland Postcard Rate: 1931 to 1946 Postal Administration: Indian Postal Administration
Earliest Usage: 15-Dec-1931 Latest Usage: 30-Jun-1946
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1a
Title: Airmail - Internal Indian Rates – Guadur to Karachi - 1931 to 1932 Postal Administration: Indian Postal Administration
Earliest Usage: 01-Dec-1931 Latest Usage: 04-Oct-1932
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3as
Title: Airmail - Internal Indian Rates – Guadur to Delhi - 1931 to 1932 Postal Administration: Indian Postal Administration
Earliest Usage: 01-Dec-1931 Latest Usage: 04-Oct-1932
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4as
Title: Airmail - Internal Indian Rates – Muscat to Bombay/Delhi/Madras (India) - 1932 to 1935 Postal Administration: Indian Postal Administration
Earliest Usage: 05-Oct-1932 Latest Usage: 31-Mar-1935
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2as
Title: Airmail - Internal Indian Rates – Muscat to Karachi (Pakistan) - 1932 to 1935 Postal Administration: Indian Postal Administration
Earliest Usage: 05-Oct-1932 Latest Usage: 31-Mar-1935
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1a
Title: Airmail - Internal Indian Rates – 1935 to 1938 Postal Administration: Indian Postal Administration
Earliest Usage: 01-Apr-1935 Latest Usage: 31-Jan-1938
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1a
Title: The 1a Internal Indian Air Fee – 1938 to 1948 Postal Administration: Indian Postal Administration
Earliest Usage: 01-Feb-1938 Latest Usage: 31-Mar-1948
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1.75as
Title: Airmail – Internal Indian Postcard Rates: 1935 to 1937 Postal Administration: Indian Postal Administration
Earliest Usage: 15-Apr-1935 Latest Usage: 14-Sep-1937
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4.75as
Title: Airmail – Internal Indian Postcard Rates – Muscat to Madras: 1932 to 1935 Postal Administration: Indian Postal Administration
Earliest Usage: 15-Oct-1932 Latest Usage: 14-Apr-1935
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4.75as
Title: Airmail – Internal Indian Postcard Rates – Muscat to Madras: 1932 to 1935 Postal Administration: Indian Postal Administration
Earliest Usage: 05-Oct-1932 Latest Usage: 14-Apr-1935
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1.5as
Title: Airmail – Internal Indian Postcard Rates: 1937 to 1938 Postal Administration: Indian Postal Administration
Earliest Usage: 15-Sep-1937 Latest Usage: 14-Feb-1938
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1.25as
Title: The 1.25as Internal Indian Air Fee for Postcards: 1938 to 1946 Postal Administration: Indian Postal Administration
Earliest Usage: 15-Feb-1938 Latest Usage: 14-Sep-1946
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CENSORSHIP
Title: Type cs2 - British Consulate Muscat - Censorship
Earliest Usage: 18-Sep-1939
Latest Usage: 25-Oct-1939
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