Montre maintenant: Oman - Timbres-Poste (1971 - 2025) - 10 Timbres-poste.
30. juillet WM: Aucun Taille de la feuille: 50 Modèle: PAD Studio
![[Commemorative Surcharges - 1978, type AD1]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AD1-s.jpg)
![[Commemorative Surcharges - 1978, type AG1]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AG1-s.jpg)
![[Commemorative Surcharges - 1978, type AE1]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AE1-s.jpg)
1. novembre WM: Aucun Taille de la feuille: 50 Perforation: 13½
![[Al-Hajj 1398 - 1978, type AR]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AR-s.jpg)
18. novembre WM: 2 Taille de la feuille: 50 Perforation: 14¼
![[National Day 1978 - Forts, type AS]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AS-s.jpg)
![[National Day 1978 - Forts, type AT]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AT-s.jpg)
![[National Day 1978 - Forts, type AU]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AU-s.jpg)
![[National Day 1978 - Forts, type AV]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AV-s.jpg)
![[National Day 1978 - Forts, type AW]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AW-s.jpg)
![[National Day 1978 - Forts, type AX]](https://www.stampworld.com/media/catalogue/Oman/Postage-stamps/AX-s.jpg)
| No. | Genre | D | Couleur | Description |
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| 71 | AS | 20B | multicouleurs | Fort de Al Jalali | (251.500) | 1,16 | - | 0,29 | - | USD |
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| 72 | AT | 25B | multicouleurs | Fort de Nizwa | (501.500) | 1,16 | - | 0,58 | - | USD |
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| 73 | AU | 40B | multicouleurs | Fort de Rustaq | (501.500) | 2,91 | - | 0,87 | - | USD |
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| 74 | AV | 50B | multicouleurs | Fort de Sohar | (501.500) | 3,49 | - | 0,87 | - | USD |
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| 75 | AW | 75B | multicouleurs | Fort de Bahla | (751.500) | 4,65 | - | 1,74 | - | USD |
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| 76 | AX | 100B | multicouleurs | Fort de Jibrin | (501.500) | 6,98 | - | 1,74 | - | USD |
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| 71‑76 | 20,35 | - | 6,09 | - | USD |
