The 20th Anniversary of UNESCO 1968
Now showing: Yemen, Kingdom - Postage stamps - 1968 - The 20th Anniversary of UNESCO - 8 stamps.
1968
The 20th Anniversary of UNESCO
1. March WM: None Perforation: 11
![[The 20th Anniversary of UNESCO, type HJ]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HJ-s.jpg)
![[The 20th Anniversary of UNESCO, type HK]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HK-s.jpg)
![[The 20th Anniversary of UNESCO, type HL]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HL-s.jpg)
![[The 20th Anniversary of UNESCO, type HM]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HM-s.jpg)
![[The 20th Anniversary of UNESCO, type HN]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HN-s.jpg)
![[The 20th Anniversary of UNESCO, type HO]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HO-s.jpg)
![[The 20th Anniversary of UNESCO, type HP]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HP-s.jpg)
![[The 20th Anniversary of UNESCO, type HQ]](https://www.stampworld.com/media/catalogue/Yemen,-Kingdom/Postage-stamps/HQ-s.jpg)
| No. | Type | D | Color | Description |
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| 511 | HJ | ½B | multicoloured | 0.26 | - | - | - | USD |
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| 512 | HK | 1B | multicoloured | 0.26 | - | - | - | USD |
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| 513 | HL | 1½B | multicoloured | 0.26 | - | - | - | USD |
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| 514 | HM | 2B | multicoloured | 0.26 | - | - | - | USD |
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| 515 | HN | 3B | multicoloured | 0.53 | - | - | - | USD |
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| 516 | HO | 4B | multicoloured | 0.79 | - | - | - | USD |
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| 517 | HP | 6B | multicoloured | 1.06 | - | - | - | USD |
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| 518 | HQ | 10B | multicoloured | 2.11 | - | - | - | USD |
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| 511‑518 | 5.53 | - | - | - | USD |
