Stamps of Tanzania, 28 Mar 1991
1 to 8 of 8
postage
1991, Mar 28 Historical Craters and Caves issue unwmk p. 14.25 (8 stamps)
| - | 3sh | multi | Ngorongoro Crater | |||
| - | 5sh | multi | Kondoa Caves | |||
| - | 9sh | multi | Mount Kilimanjaro´s inner crater | |||
| - | 10sh | multi | Open area of cave | — | — | |
| - | 10sh | multi | — | — | ||
| - | 10sh | multi | — | — | ||
| - | 10sh | multi | — | — | ||
| - | 12sh | multi | Olduvai Gorge |
1 to 8 of 8