51 to 53 of 53
official
1975 1975 official issue unwmk (no perf info)
| - | 20o | arms of Norway |
postage due
1889 at betale issue wmk. posthorn (Norway) p. 14.5x13.5
| X | 20o | ultra | numeral |
1922 a betale issue
| - | 20o | dlvio | numeral |
51 to 53 of 53
| - | 20o | arms of Norway |
| X | 20o | ultra | numeral |
| - | 20o | dlvio | numeral |