Stamps of Tanzania, 1991, missing cat val
1 to 49 of 49
postage
1991 INTELSAT system issue unwmk (no perf info)
| - | 10sh | multi | — | — | ||
| - | 15sh | multi | — | — | ||
| - | 100sh | multi | — | — | ||
| - | 500sh | multi | — | — |
1991, Jan 10 STAMP WORLD LONDON '90 issue p. 14
| - | 350sh | multi | Hand delivery of mail | — | — | |
| - | 350sh | multi | Sir Rowland Hill | — | — |
1991, Jan 10 Cog Railways issue - cog railways (1991 Tanzania)
| - | 400sh | multi | Washington Cog Railway | — | — | |
| - | 400sh | multi | Schneebergbahn of the OBB Austria | — | — |
1991, Jan 10 International Literacy Year issue p. 13.25
| - | 600sh | multi | — | — | ||
| - | 600sh | multi | — | — |
1991, Jan 10 Olympics 1992 issue p. 14
| - | 400sh | multi | 400 Meter Hurdies | — | — | |
| - | 400sh | multi | cycling | — | — |
1991, Jan 18 Sports Events issue
| - | 400sh | multi | Colorado 500 enduro motorcycle race | — | — | |
| - | 400sh | multi | — | — |
1991, Feb 20 Mickey Mouse as an Actor issue
| - | 600sh | multi | Minnie Mickey as archaeologists in Egypt | — | — | |
| - | 600sh | multi | Mickey as Canadian Mountie | — | — |
1991, Mar 15 International Literacy Year b issue
| - | 50sh | multi | — | — |
1991, Mar 28 Historical Craters and Caves issue p. 14.25
| - | 10sh | multi | Open area of cave | — | — | |
| - | 10sh | multi | — | — | ||
| - | 10sh | multi | — | — | ||
| - | 10sh | multi | — | — |
1991, Apr 29 350th Anniversary of the Death of Peter Paul Rubens issue p. 13.75
| - | 500sh | multi | Trophy of War | — | — |
1991, Jun 3 Prehistoric Creatures issue p. 12x12.25
| - | 150sh | multi | Rhamphorhynchus | — | — |
1991, Aug 15 PHILANIPPON '91 issue - Japanese locomotives (1991) p. 14
| - | 400sh | multi | EF 58 electric | — | — | |
| - | 400sh | multi | DD 51 diesel | — | — | |
| - | 400sh | multi | Series 400 electric | — | — | |
| - | 400sh | multi | EH 10 electric | — | — |
1991, Aug 22 National Game Parks issue
| - | 400sh | multi | Halcyon malimbica & Kobus ellipsiprymnus | — | — | |
| - | 400sh | multi | Vidua paradisaea & Oryx beisa | — | — |
1991, Aug 28 butterflies (1991 Tanzania)
| - | 400sh | multi | Charaxes zoolina | — | — | |
| - | 400sh | multi | Papilio nobilis | — | — | |
| - | 400sh | multi | Charaxes ethalion | — | — | |
| - | 400sh | multi | Papilio phorcas | — | — |
1991, Sep 16 40th Anniversary of United Nations Development Program issue p. 12.5
| - | 40sh | multi | — | — |
1991, Sep 20 All-Africa Games 1991 issue (no perf info)
| - | 10sh | multi | — | — | ||
| - | 15sh | multi | — | — | ||
| - | 100sh | multi | — | — | ||
| - | 500sh | multi | — | — |
1991, Nov 20 100th Anniversary of the Death of Vincent van Gogh issue imperf
| - | 400sh | multi | — | — | ||
| - | 400sh | multi | — | — |
1991, Nov 28 Elephants issue
| - | 10sh | multi | Elephas maximus | — | — | |
| - | 15sh | multi | Elephas maximus | — | — | |
| - | 25sh | multi | Elephas maximus | — | — | |
| - | 400sh | multi | Mammuthus sp., p. 12.5x12 | — | — |
1991, Dec 10 Locomotives and Railcars issue p. 12x12.5
| - | 100sh | multi | France E-locomotive 1952 | — | — |
1991, Dec 24 Christmas 1991 issue p. 14
| - | 500sh | multi | Mickey wearing Santa hat | — | — | |
| - | 500sh | multi | — | — |
1991, Dec 30 Fish issue p. 12.5x12
| - | 100sh | multi | Regalecus glesne | — | — |
semipostal
1991, Jul 5 National Solidarity Walk 1991 issue p. 12.75x12.5
| - | 50+1sh | multi | — | — |
1 to 49 of 49