| Issuer: Dominica
Issue: Viking Mars mission Date: 9/20/1976 (1976 sheets) INCOMPLETE Block 1 (2, 2 x 1) 1, 1: $1 d=Landing capsule descending on Mars 1, 2: $2 d=Viking on Mars |
External links: Colnect 290360..ission_to_Mars |
| Issuer: Dominica
Issue: Viking Mars mission Date: 9/20/1976 (1976 sheets) INCOMPLETE Block 1 (2, 2 x 1) 1, 1: $1 d=Landing capsule descending on Mars 1, 2: $2 d=Viking on Mars |
External links: Colnect 290360..ission_to_Mars |
