Elveţia
Prezentat acum: Elveţia - Timbre poştale (1849 - 2024) - 1 timbre.
1957
Pro Juventute - The 250th Anniversary of Leonhard Euler - Insects
30. Noiembrie WM: Niciunul Marimea foii: 50 Gravură: Courvoisier. S.A. Perforare: 11¾
![[Pro Juventute - The 250th Anniversary of Leonhard Euler - Insects, Tip YQ]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/YQ-s.jpg)
![[Pro Juventute - The 250th Anniversary of Leonhard Euler - Insects, Tip YR]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/YR-s.jpg)
![[Pro Juventute - The 250th Anniversary of Leonhard Euler - Insects, Tip YS]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/YS-s.jpg)
![[Pro Juventute - The 250th Anniversary of Leonhard Euler - Insects, Tip YT]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/YT-s.jpg)
![[Pro Juventute - The 250th Anniversary of Leonhard Euler - Insects, Tip YU]](https://swmedia-4cd6.kxcdn.com/media/catalogue/Switzerland/Postage-stamps/YU-s.jpg)
| Nr. | Tip | D | Culoare | Descriere |
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| 642 | YQ | 5+5 (C) | multicolor | Leonhard Euler | (10550000) | 0,54 | - | 0,27 | - | USD |
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| 643 | YR | 10+10 (C) | multicolor | Colias croceus | (8 mill) | 0,27 | - | 0,54 | - | USD |
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| 644 | YS | 20+10 (C) | multicolor | Abraxas grossulariata | (5780000) | 0,54 | - | 0,54 | - | USD |
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| 645 | YT | 30+10 (C) | multicolor | Cetonia aurata | (1640000) | 2,71 | - | 5,41 | - | USD |
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| 646 | YU | 40+10 (C) | multicolor | Catocala nupta | (2 mill) | 2,17 | - | 4,33 | - | USD |
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