
Design by Hans Emi
| Country: | Switzerland |
| Type: | Postage stamps |
| Series: | BIT/ILO - International Labor Bureau |
| Nominal: | 30 Ct. |
| Year: | 1975 |
| Material: | phosphorescent |
| Size: | 36 x 26 mm |
| Perforation: | comb 11¾ |
BIT/ILO - International Labor Bureau
Switzerland










