Stamps of South West Africa, salt industry design type, missing design, not overprinted
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postage
1981, Dec 4 salt industry wmk. RSA in triangle (no perf info)
| - | 5c | multi | .20 | .20 | Salt | |
| - | 15c | multi | — | — | Dumping & washing | |
| - | 20c | multi | — | — | Salt storing | |
| - | 25c | multi | — | — | Loading |
1 to 4 of 4