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

2as
Title: 2as Foreign Postcard Surface Rate Postal Administration: Indian Postal Administration
Earliest Usage: 15-Dec-1931 Latest Usage: 31-Mar-1948
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1.5as
Title: 1.5as Printed Matter Rate Postal Administration: Indian Postal Administration
Earliest Usage: 01-Jan-1932 Latest Usage: 31-Mar-1948
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