 |
| Norway |
| This is a commemorative postcard for the Norwegian mathematician Abel. |
 |
 |
| Norwegian mathematician Niels Henrik Abel is the mathematician who proved that there is no solution to the fifth-degree equation. |
| [Postcard location] |
| 2025-08-26 |
| [List] |
| Croatia | Czech | Denmark |
| Finland | Greece | Iceland |
| Ireland | Japan | Korea |
| Liechtenstein | Netherlands | New Zealand |
| Norway | Peru | Spain |
| Sweden | Swiss | USA |
| Mr. Jin's Math Classroom | Zootaxway |
| PaperLee's Hobby Life | Flo's Norway |
| Zoochess | Zootaxbus |