| Added by |
 Oana Borcan
|
| Front Description | Kristian Birkeland (1867–1917) |
| Back Description | Map of the north polar regions including Scandinavia to the right and northern Canada to the left |
| Catalog code | P# 50 |
| Height | 70.00 mm |
| Width | 145.00 mm |
| Material | Paper |
| Catalog prices | UNC $45.00 |
