Stamps of Niger, Viking Mars mission issue
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postage
1977, Mar 15 Viking Mars mission issue unwmk p. 14
| X | 50fr | multi | launch | .20 | ||
| X | 80fr | multi | probe orbiting Mars |
airmail
1977, Mar 15 Viking Mars mission issue
| - | 100fr | multi | .20 | |||
| - | 150fr | multi | ||||
| - | 200fr | multi | ||||
| - | 400fr | multi | — | — |
1 to 6 of 6