Miners
56%
| Country: | Bolivia |
|---|---|
| Issue: | 25 year In-state mining authority (COMIBOL) |
| Date: | 1977-10-31 |
| Print: | Unknown |
| Perforation: | Unknown 13¾ x 13½ |
| Emission: | Commemorative |
| Format: | Stamp |
| Face Value: | 3 Bolivian peso |