STEM Education 2018
Visar nu: USA - Postfrimärken - 2018 - STEM Education - 4 frimärken.
2018
STEM Education
6. april WM: Inga storlek på arket: 20 Gravyr: Lithographie Perforering: 10¾
![[STEM Education, Typ ]](https://www.stampworld.com/media/catalogue/United-States/Postage-stamps/5628-b.jpg)
| Nummer | Typ | D | Färg | Beskrivning |
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| 5628 | IAB | FOREVER | flerfärgad | (3750000) | 1,45 | - | 1,45 | - | USD |
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| 5629 | IAC | FOREVER | flerfärgad | (3750000) | 1,45 | - | 1,45 | - | USD |
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| 5630 | IAD | FOREVER | flerfärgad | (3750000) | 1,45 | - | 1,45 | - | USD |
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| 5631 | IAE | FOREVER | flerfärgad | (3750000) | 1,45 | - | 1,45 | - | USD |
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| 5628‑5631 | Strip of 4 | 5,78 | - | 5,78 | - | USD | |||||||||||
| 5628‑5631 | 5,80 | - | 5,80 | - | USD |
