International Year of Light - UNESCO 2015
Now showing: Sao Tome And Principe - Postage stamps - 2015 - International Year of Light - UNESCO - 4 stamps.
2015
International Year of Light - UNESCO
29. December WM: None Perforation: 13¼
![[International Year of Light - UNESCO, type ]](https://www.stampworld.com/media/catalogue/Sao-Tome-And-Principe/Postage-stamps/6497-b.jpg)
| No. | Type | D | Color | Description |
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| 6497 | HKX | 31000Db | multicoloured | (1000) | 2.08 | - | 2.08 | - | USD |
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| 6498 | HKY | 31000Db | multicoloured | (1000) | 2.08 | - | 2.08 | - | USD |
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| 6499 | HKZ | 31000Db | multicoloured | (1000) | 2.08 | - | 2.08 | - | USD |
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| 6500 | HLA | 31000Db | multicoloured | (1000) | 2.08 | - | 2.08 | - | USD |
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| 6497‑6500 | Minisheet | 8.34 | - | 8.34 | - | USD | |||||||||||
| 6497‑6500 | 8.32 | - | 8.32 | - | USD |
