Underwater Exploration 1973
Now showing: Bulgaria - Postage stamps - 1973 - Underwater Exploration - 4 stamps.
1973
Underwater Exploration
24. January WM: None Perforation: Imperforated
![[Underwater Exploration, type ]](https://www.stampworld.com/media/catalogue/Bulgaria/Postage-stamps/2224-b.jpg)
| No. | Type | D | Color | Description |
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| 2224 | BYC1 | 20St | multicoloured | (70.000) | - | - | - | - | USD |
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| 2225 | BYD1 | 20St | multicoloured | (70.000) | - | - | - | - | USD |
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| 2226 | BYE1 | 20St | multicoloured | (70.000) | - | - | - | - | USD |
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| 2227 | BYF1 | 20St | multicoloured | (70.000) | - | - | - | - | USD |
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| 2224‑2227 | Minisheet (117 x 99mm) | 6.25 | - | 6.25 | - | USD | |||||||||||
| 2224‑2227 | - | - | - | - | USD |
