Norway
0.28 - 0.34$
price on 11.05.2023
| Country: | Norway |
| Type: | Postage stamps |
| Series: | Birkeland & Eyde |
| Nominal: | 55 Norwegian øre |
| Year: | 1966 |
| Size: | 24 x 40 mm |
| Perforation: | comb 13¼ x 12¾ |
| Mintage: | 1,970,500 |
Birkeland & Eyde
 Molecules in test-tube 0.22$ |  Ear of Wheat and conical flask 0.28$ |