Pi(π) - The Mathematical Irrational Constant 2025
Now showing: Belgium - Postage stamps - 2025 - Pi(π) - The Mathematical Irrational Constant - 5 stamps.
2025
Pi(π) - The Mathematical Irrational Constant
25. August WM: None Sheetsize: 5 Design: Geert Wille. Engraving: BPost Philately & Stamps Printing.
![[Pi(π) - The Mathematical Irrational Constant, type ]](https://www.stampworld.com/media/catalogue/Belgium/Postage-stamps/5333-b.jpg)
| No. | Type | D | Color | Description |
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| 5333 | FTB | 1World | multicoloured | 5.21 | - | 5.21 | - | USD |
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| 5334 | FTC | 1World | multicoloured | 5.21 | - | 5.21 | - | USD |
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| 5335 | FTD | 1World | multicoloured | 5.21 | - | 5.21 | - | USD |
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| 5336 | FTE | 1World | multicoloured | 5.21 | - | 5.21 | - | USD |
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| 5337 | FTF | 1World | multicoloured | 5.21 | - | 5.21 | - | USD |
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| 5333‑5337 | Minisheet | 26.03 | - | 26.03 | - | USD | |||||||||||
| 5333‑5337 | 26.05 | - | 26.05 | - | USD |
