| T I M E L I N E [1981 - 1990] |
| 07-Feb-1981 |
National Police Day - 1981 |
| 08-Apr-1981 |
Commemorative Surcharges - 1981 |
| 14-Oct-1981 |
Welfare of the Blind - 1981 |
| 16-Oct-1981 |
World Food Day - 1981 |
| 29-Oct-1981 |
Al-Hajj 1401 - 1981 |
| 18-Nov-1981 |
National Day - Imperforated - 1981 |
| 23-Nov-1981 |
The voyage of Sindbad the Sailor - 1981 - Souvenir Sheet |
| 11-Dec-1981 |
Armed Forces Day – Imperforated – 1981 |
| 05-Jan-1982 |
National Police Day - 1982 |
| 01-Jul-1982 |
The 1982 Definitive Issue |
| 15-Sep-1982 |
Arab Palm Tree Day – 1982 |
| 28-Oct-1982 |
I.T.U. Plenipotentiary Conference - 1982 |
| 06-Nov-1982 |
Week of Municipalities - 1982 |
| 18-Nov-1982 |
National Day – 1982 |
| 11-Dec-1982 |
Armed Forces Day – 1982 |
| 05-Jan-1983 |
National Police Day - 1983 |
| 17-May-1983 |
World Communication Year - 1983 |
| 15-Aug-1983 |
Honeybees in Oman - 1983 |
| 14-Sep-1983 |
Al-Hajj 1403 - 1983 |
| 15-Nov-1983 |
Omani Youth Year – 1983 |
| 18-Nov-1983 |
National Day – 1983 |
| 11-Dec-1983 |
Armed Forces Day – 1983 |
| 05-Jan-1984 |
National Police Day - 1984 |
| 09-Mar-1984 |
7th Arabian Gulf Cup Football Tournament – 1984 |
| 05-Sep-1984 |
Al-Hajj 1404 - 1984 |
| 18-Nov-1984 |
National Day – 1984 |
| 05-Dec-1984 |
16th Conference of Arab Scouts - 1984 |
| 11-Dec-1984 |
Armed Forces Day – 1984 |
| 05-Jan-1985 |
National Police Day - 1985 |
| 20-Aug-1985 |
Al-Hajj 1405- 1985 |
| 22-Sep-1985 |
Restoration of Jabrin Palace - 1985 |
| 06-Oct-1985 |
International Symposium of Traditional Music of Oman - 1985 |
| 25-Oct-1985 |
Child Health Care - 1985 |
| 03-Nov-1985 |
The 6th Annual GCC Summit meeting in Muscat - 1985 |
| 18-Nov-1985 |
National Day – 1985 |
| 11-Dec-1985 |
Armed Forces Day – 1985 |
| 15-Dec-1985 |
Marine Life of Oman - 1985 |
| 05-Jan-1986 |
National Police Day - 1986 |
| 04-Jul-1986 |
Centenary Celebrations of the Statue of Liberty - 1986 - Souvenir Sheet |
| 09-Aug-1986 |
Al-Hajj 1406 - 1986 |
| 20-Aug-1986 |
17th Arab Scout Camp - 1986 |
| 12-Oct-1986 |
Inauguration of Sultan Qaboos Sports Complex – 1986 |
| 24-Oct-1986 |
International Year of Peace - Imperforated - 1986 |
| 18-Nov-1986 |
National Day – 1986 |
| 05-Jan-1987 |
National Police Day - 1987 |
| 21-Mar-1987 |
Second Arab Gulf Week for Social Work – Imperforated - 1987 |
| 05-Jun-1987 |
International Environment Day - Imperforated - 1987 |
| 29-Jul-1987 |
Al-Hajj 1407 - 1987 |
| 01-Oct-1987 |
Third Municipality Month - Imperforated - 1987 |
| 18-Nov-1987 |
National Day – Imperforated - 1987 |
| 23-Dec-1987 |
15th Anniversary of the Royal Omani Amateur Radio Society - Imperforated - 1987 |
| 01-Jun-1988 |
Omani Traditional Handicrafts – 1988 – Souvenir Sheet |
| 17-Sep-1988 |
Seoul Olympics - 1988 - Souvenir Sheet |
| 01-Nov-1988 |
WHO 40th Anniversary - 1988 |
| 18-Nov-1988 |
National Day – 1988 |
| 26-Aug-1989 |
The 1989 Definitive Issue – Omani Costumes for Women - Souvenir Sheet |
| 11-Nov-1989 |
The 1989 Definitive Issue – Omani Costumes for Men - Souvenir Sheet |
| 18-Nov-1989 |
National Day – 1989 |
| 18-Dec-1989 |
10th Supreme Council Session of the Arab Co-Operation Council – 1989 |
| 01-Jan-1990 |
5th Anniversary of the Gulf Investment Corporation - 1990 |
| 24-Mar-1990 |
40th Anniversary of Gulf Air - 1990 |
| 22-Apr-1990 |
Symposium on the Oman Ophiolite - 1990 |
| 30-Apr-1990 |
150th Anniversary of the 1st Omani Envoy visiting the U.S.A. - 1990 |
| 05-May-1990 |
The Sultan Qaboos Rose - 1990 |
| 18-Nov-1990 |
National Day – 1990 - Souvenir Sheet |
