Stamps of Mauritania, 4um denom
1 to 4 of 4
postage
1975, May 26 Zemmour Cave rock carvings unwmk (no perf info)
| - | 4um | hunters |
1981, Dec 21 turtles (1981)
| - | 4um | multi | Eretmochelys imbricata |
1984, Sep 26 Infant Survival Campaign issue
| - | 4um | multi |
1986, Oct 16 Marine Fish issue
| - | 4um | multi |
1 to 4 of 4