William Tell overprinted "S.d.N. Bureau international du Tra
20 Ct. 1923
Switzerland
Overprinted "S.d.N. Bureau international du Travail"
| Country: | Switzerland |
| Type: | Postage stamps |
| Series: | BIT/ILO - International Labor Bureau |
| Nominal: | 20 Ct. |
| Year: | 1923 |
| Material: | normal fiber paper |
| Perforation: | comb 11¾ |
| Mintage: | 150,000 |
BIT/ILO - International Labor Bureau
