| Issuer: Costa Rica
Date: 12/15/1937 (1937 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 460833..ILMEX-74_-_UPU Record of changes |
| Issuer: Costa Rica
Date: 12/15/1937 (1937 sheets) INCOMPLETE Block 1 (0, 0 x 0) |
External links: Colnect 460833..ILMEX-74_-_UPU Record of changes |
