16-Nov-1931 1931 Local Registered Muscat Mail - Serving Notice   (1)
21-Feb-1932    (1)
21-Feb-1932 1932 Philatelic Postage Due Mail from Muscat to England   (1)
04-Mar-1932 1932 Mail from Muscat to England   (1)
18-Mar-1933 1933 Airmail from Muscat to England   (1)
02-Jun-1933 1933 Muscat Mail to Bombay   (1)
23-Sep-1933 1933 Mail from Muscat to Karachi   (1)
07-Oct-1933 1933 Insured Mail sent Registered from Muscat to Karachi   (1)
11-Nov-1933 1933 Muscat Mail to Karachi   (1)
23-Dec-1933 1933 Postage Due Mail from Muscat to Bombay   (1)
02-Mar-1934 1934 Muscat Surface Mail to USA   (1)
25-Mar-1934 1934 Mail from Muscat to USA - Postage Due   (1)
28-Apr-1934 1934 Surface Mail from Muscat to USA   (1)
04-May-1934 1934 Paquebot Mail from Muscat   (1)
04-Dec-1934 1934 Muscat Airmal sent to Switzerland franked with 1929 India Airmail Stamps   (1)
21-Aug-1935 1935 Philatelic Cover from Muscat to England with Silver Jubilee Issue   (1)
09-Nov-1935 1935 Airmail from Muscat to England   (1)
20-Nov-1935 1935 Mail from Muscat to England - Silver Jubilee Stamp   (1)
11-Jan-1936 1936 Mail from Muscat to England   (1)
14-Feb-1936 1936 Muscat Airmail to England   (1)
23-Oct-1937 1937 Registered OHMS Mail from Muscat to England   (1)
17-Dec-1937 1937 Muscat Airmail sent Registered to England   (1)
07-Jan-1938 1938 Mail from Muscat to England   (1)
10-Mar-1938 1938 Empire Airmail Scheme Postcard from England to Muscat   (1)
22-Apr-1938 1938 Muscat Mail sent to England via EAMS   (1)
31-May-1938 1938 Muscat Mail sent to USA   (1)
21-Oct-1938 1938 Registered OHMS Mail from Muscat to London   (1)
15-Nov-1938 1938 Local Muscat Mail   (1)
15-Nov-1938 1938 Registered Mail from Muscat to Magil   (1)
23-Nov-1938 1938 Muscat Mail to Bahrain   (1)
24-Nov-1938 1938 Mail from Muscat to England Paid with EAMS   (1)
04-Feb-1939 1939 Mail from Muscat sent from Karachi   (1)
23-Feb-1939 1939 Mail from Muscat sent from Jask Post Office   (1)
27-Mar-1939 1939 Mail from Muscat to Canada   (1)
27-Mar-1939 1939 Muscat Surface Mail to USA   (1)
16-Jun-1939 1939 Registered Mail sent from Muscat to Bombay   (1)
18-Sep-1939 1939 Muscat British Consulate Censorship Mail   (1)
22-Sep-1939 1939 Mail from Muscat to Bombay with British Consulate Censorship   (1)
20-Oct-1939 1939 Mail from Muscat to Bombay - British Consulate Censorship   (1)
10-Jan-1940 1940 Mail sent from Muscat to Karachi   (1)
02-Feb-1940 1940 Mail from Muscat to England   (1)
05-Mar-1940 1940 Registered Mail sent from Muscat to England   (1)
08-Mar-1940 1940 Censored Surface Mail from Muscat to New York   (1)
19-Mar-1940 1940 Registered Mail from Muscat to Baghdad   (1)
21-Mar-1940 1940 Mail from Muscat to England with Censor 48   (1)
10-Apr-1940 1940 Mail from Muscat sent to Baghdad   (1)
15-May-1940 1940 Mail from Muscat posted at Karachi   (1)
07-Aug-1940 1940 Mail from Muscat to England with Censor 46   (1)
30-Sep-1940 1940 Mail from Muscat to England sent from Guadur Post Office   (1)
15-Oct-1940 1940 Registered Cover sent from Muscat to Switzerland   (1)
05-Nov-1940 1940 Muscat Transit Mail - Bahrain to Bandar Abbas   (1)
08-Nov-1940 1940 Registered Mail from Muscat to Kerman   (1)
30-Nov-1940 1940 Mail sent from Muscat to England   (1)
10-Dec-1940 1940 Mail from Muscat to USA   (1)
20-Dec-1940 1940 Registered Mail from Muscat to England - Rare Trans-Pacific / Trans-Atlantic Route   (1)
20-Dec-1940 1944 Mail from Muscat to the USA franked with Bu'Said Stamps   (1)
23-Dec-1940 1940 Registered Mail from Muscat to England   (1)
09-Feb-1931 India used in Muscat – Type c19 – 1931 Inauguration of New Delhi Issue   (1)
09-Feb-1931 India used in Muscat – Type c20 – 1931 Inauguration of New Delhi Issue   (2)
01-Jan-1932 India used in Muscat – Type c20 – 1932 King George V Issue   (2)
01-Jan-1932 India used in Muscat – Type c20 – 1932-1936 King George V Official Issue   (2)
01-Jan-1932 India used in Muscat – Type c22 – 1932-1936 King George V Official Issue   (1)
22-Apr-1932 India used in Muscat – Type c19 – 1932 King George V Issue   (1)
22-Apr-1932 India used in Muscat – Type c20 – 1932 King George V Official Issue   (1)
22-Apr-1932 India used in Muscat – Type c21 – 1932 King George V Issue   (1)
01-Jan-1934 India used in Muscat – Type c19 – 1934 King George V Issue   (2)
01-Jan-1934 India used in Muscat – Type c20 – 1934 King George V Issue   (3)
01-Jan-1934 India used in Muscat – Type c21 – 1934 King George V Issue   (1)
01-Jan-1935 India used in Muscat – Type c19 – 1935 King George V Issue   (1)
01-Jan-1935 India used in Muscat – Type c20 – 1935 King George V Issue   (1)
06-May-1935 India used in Muscat – Type c20 – 1935 Silver Jubilee Issue   (6)
15-Dec-1937 India used in Muscat – Type c19 – 1937 King George VI Issue   (10)
15-Dec-1937 India used in Muscat – Type c20 – 1937 King George VI Issue   (12)
15-Dec-1937 India used in Muscat – Type c20 – 1937-1939 King George VI Official Issue   (4)
15-Dec-1937 India used in Muscat – Type c21 – 1937 King George VI Issue   (8)
15-Dec-1937 India used in Muscat – Type c22 – 1937 King George VI Issue   (4)
31-Dec-1937 India used in Muscat – Type c19 – 1937-1940 King George VI Issue   (1)
31-Dec-1937 India used in Muscat – Type c20 – 1937-1940 King George VI Issue   (1)
31-Dec-1937 India used in Muscat – Type c21 – 1937-1940 King George VI Issue   (2)
31-Dec-1937 India used in Muscat – Type c22 – 1937 King George VI Official Issue   (1)
31-Dec-1937 India used in Muscat – Type c22 – 1937-1940 King George VI Issue   (1)
31-Dec-1938 India used in Muscat – Type c22 – 1938 King George VI Official Issue   (1)
01-Jun-1939 India used in Muscat – Type c20 – 1939-1942 King George VI Official Issue   (6)
01-Jun-1939 India used in Muscat – Type c22 – 1939-1942 King George VI Official Issue   (5)
01-Jan-1940 India used in Muscat – Type c20 – 1940-1943 King George VI Issue   (8)
01-Jan-1940 India used in Muscat – Type c21 – 1940-1943 King George VI Issue   (9)
01-Jan-1940 India used in Muscat – Type c22 – 1940-1943 King George VI Issue   (11)
15-Oct-1940 India used in Muscat – Type c19 – 1940-1943 King George VI Issue   (1)
15-Oct-1940 India used in Muscat – Type c22 – 1940 King George VI Issue   (1)
01-May-1931 USA: 6as Air Fee – 1931 to 1939   (1)
01-May-1931 USA: Postcard 6as Air Fee – 1931 to 1933   (1)
01-Dec-1931 2.5as Surface Fee to the UK and Empire Destinations – 1931 to 1940   (1)
01-Dec-1931 Airmail - Internal Indian Rates – Guadur to Delhi - 1931 to 1932   (1)
01-Dec-1931 Airmail - Internal Indian Rates – Guadur to Karachi - 1931 to 1932   (1)
01-Dec-1931 The 3½as Foreign Letter Rate to non-Empire Destination - 1931 to 1948   (1)
15-Dec-1931 2as Foreign Postcard Surface Rate   (1)
15-Dec-1931 Imperial Inland Postage Rate: 1931 to 1934   (1)
15-Dec-1931 Imperial Inland Postcard Rate: 1931 to 1946   (1)
01-Jan-1932 1.5as Printed Matter Rate   (1)
05-Oct-1932 Airmail - Internal Indian Rates – Muscat to Bombay/Delhi/Madras (India) - 1932 to 1935   (1)
05-Oct-1932 Airmail - Internal Indian Rates – Muscat to Karachi (Pakistan) - 1932 to 1935   (1)
15-Oct-1932 Airmail – Internal Indian Postcard Rates – Muscat to Madras: 1932 to 1935   (2)
30-Apr-1933 USA: Postcard 4as Air Fee – 1933 to 1939   (1)
07-Oct-1933 Insurance Fees: 1933 to 1939   (1)
01-Apr-1934 Imperial Inland Postage Rate: 1934 to 1936   (1)
04-May-1934 PAQUEBOT on Muscat Mail   (1)
28-Nov-1934 Air Fee: 7.5as All-Inclusive Rate to the United Kingdom – 1934 to 1938   (1)
01-Apr-1935 Airmail - Internal Indian Rates – 1935 to 1938   (1)
01-Apr-1935 USA: 4as Internal US Air Service for Indian Mails   (1)
15-Apr-1935 Airmail – Internal Indian Postcard Rates: 1935 to 1937   (1)
01-Oct-1936 Imperial Inland Postage Rate: 1936 to 1940   (1)
15-Sep-1937 Airmail – Internal Indian Postcard Rates: 1937 to 1938   (1)
01-Feb-1938 The 1a Internal Indian Air Fee – 1938 to 1948   (1)
15-Feb-1938 The 1.25as Internal Indian Air Fee for Postcards: 1938 to 1946   (1)
23-Feb-1938 Air Fee: 2.5as The Empire Air Mail Scheme (EAMS)   (1)
27-Mar-1939 Postage Due "T" Marks used on Mail from Muscat Post Office   (1)
02-Sep-1939 Air Fee: 14as Inclusive Rate to UK and Empire Destinations – 1939 to 1947   (1)
02-Sep-1939 Air Fee: 18as to Continental Europe – 1939 to 1946   (1)
02-Sep-1939 USA: 18as Air Fee – 1939 to 1945   (1)
02-Sep-1939 USA: Postcard 8as Air Fee – 1939 to 1945   (1)
18-Sep-1939 Type cs2 - British Consulate Muscat - Censorship   (1)
22-Nov-1939 Type cs4 - Muscat Censorship - Triangular Passed Censor 47   (1)
01-Feb-1940 Type cs3 - Muscat Censorship - Triangular Passed Censor 46   (1)
21-Feb-1940 USA: 40as Air Fee – 1940 (February to December)   (1)
21-Feb-1940 USA: Postcard 15.5as Air Fee – 1940 (February to December)   (1)
08-Mar-1940 Type cs5 - Muscat Censorship - Triangular Passed Censor 48   (1)
29-Apr-1940 USA: 30as Air Fee – 1940 (April to June)   (1)
15-Oct-1940 Type cs6 - Muscat Censorship - Triangular Passed Censor 49   (1)
28-Oct-1940 Air Fee: 48as Trans-Pacific / Trans-Atlantic Service to the UK – 1940   (1)
01-Dec-1940 The 1.25as Imperial Inland Postage Rate: 1940 to 1942   (1)
21-Dec-1940 3.5as Surface Fee to the UK and Empire Destinations - 1940 to 1948   (1)
21-Dec-1940 Air Fee: 49.5as Trans-Pacific / Trans-Atlantic Service to the UK – 1940 to 1941   (1)
21-Dec-1940 Air Fee: 66as Trans-Pacific / Trans-Atlantic Service to the UK – 1940 to 1941   (1)
21-Dec-1940 USA: 45.5as Air Fee – 1940 to 1941   (1)
21-Dec-1940 USA: 55as Air Fee – 1940 to 1941   (1)
21-Dec-1940 USA: Postcard 17as as Air Fee – 1940 to 1941   (1)
21-Dec-1940 USA: Postcard 20.5as as Air Fee – 1940 to 1941   (1)
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