Stamps of Oman, 1 base day
1 to 50 of 70
postage
1948, Apr 1 ovpted on stamps of Great Britain King George VI wmk. crown & GVIR p. 15x14 (6 stamps)
1948, Apr 1 ovpted on stamp of Great Britain
| X | 6a on 6p | roselil | King George VI | — | — |
1948, Apr 1 ovpted on stamp of Great Britain
| - | 1r on 1sh | brn | King George VI |
1948, Apr 1 ovpted on stamp of Great Britain wmk. crown & large GVIR (no perf info)
| - | 2r on 2sh6p | yelgrn | King George VI & arms of Britain |
1957, Apr 1 1957 issue ovpted on stamps of Great Britain wmk. St Edwards crown & E2R (11 stamps)
1957, Aug 1 Boy Scouts issue ovpted on stamps of Great Britain
| - | 15np on 2 1/2d | scar | knot | |||
| - | 25np on 4d | ultra | swallows | |||
| - | 75np on 1sh3p | grn | globe & compass & Queen Elizabeth II |
1969, Jan 1 1st oil shipment issue unwmk p. 13.75x13
| - | 20b | multi | harbor | — | — | |
| - | 25b | multi | oil storage tanks | — | — | |
| - | 40b | multi | Omani Desert Oil Rig | — | — | |
| - | 1r | multi | Aerial view of Oman from Gemini 4 | — | — |
1972, Mar 1 1972 overprints issue p. 15x14
| - | 5b | pur | — | — | ||
| - | 10b | brn | — | — | ||
| - | 20b | redbrn | — | — |
1972, Jul 1 ovpted (no perf info)
| - | 25b on 40b | dkgray & brnorg | Sultans Crest & Muscat Harbour | — | — |
1978, Nov 1 Pilgrimage to Mecca issue p. 13.5
| - | 40b | multi | — | — |
1981, Dec 1 Armed Forces Day 1981 issue p. 11.75
| - | 100b | multi | sultan & planes | — | — | |
| - | 400b | multi | — | — |
1987, Oct 1 City and Environment Week issue p. 13
| - | 50b | multi | — | — |
1988, Jun 1 Traditional Crafts (1988) p. 11.75x11.5
| - | 50b | multi | weaver | — | — | |
| - | 100b | multi | potter | — | — | |
| - | 150b | multi | Halwa Maker | — | — | |
| - | 200b | multi | silversmith | — | — |
1988, Nov 1 40th Anniversary of W.H.O. issue p. 13.25
| - | 100b | multi | — | — |
1990, Jan 1 5th Anniversary of Gulf Investment Corporation issue p. 12.75x12.25
| - | 50b | multi | — | — | ||
| - | 130b | multi | — | — |
1998, Dec 1 Inauguration of Salalah Port Container Terminal issue p. 13x13.5
| - | 50b | multi | — | — |
2000, Jan 1 Millennium issue (no perf info)
| - | 500b | multi | — | — |
2004, Aug 1 corals (2004 Oman)
| - | 100b | multi | Porites | — | — | |
| - | 100b | multi | Acropora | — | — | |
| - | 100b | multi | Cycloseris | — | — | |
| - | 100b | multi | Montipora | — | — |
2004, Dec 1 Ash'Sharqiyah Sand Water Supply Scheme issue
| - | 50b | multi | — | — | ||
| - | 50b | multi | — | — |
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