Stamps of South Africa - Transkei, 20 base day
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postage
1985, Sep 20 Famous People of Medicine issue unwmk (no perf info)
| - | 12c | multi | Andreas Vesalius | .20 | .20 | |
| - | 25c | multi | Marcello Malpighi | |||
| - | 30c | multi | Francois Magendie | |||
| - | 50c | multi | William Stewart Halsted |
1988, Oct 20 Endangered Wild Animals issue
| - | 16c | multi | Felis nigripes | |||
| - | 30c | multi | Philantomba monticola | |||
| - | 40c | multi | Ourebia ourebi | |||
| - | 50c | multi | Lycaon pictus |
1989, Apr 20 Basketry (1989)
| - | 18c | — | — | |||
| - | 30c | — | — | |||
| - | 40c | — | — | |||
| - | 50c | — | — |
1989, Apr 20 Basketry issue
| - | 18c | multi | ||||
| - | 30c | multi | ||||
| - | 40c | multi | ||||
| - | 50c | multi |
1989, Jul 20 aquatic life
| - | 18c | — | — | |||
| - | 30c | — | — | |||
| - | 40c | — | — | |||
| X | 50c | rock lobster | — | — |
1989, Jul 20 Marine Life 1989 issue
| - | 18c | multi | Scomber japonicus | |||
| - | 30c | multi | Loligo reynauldi | |||
| - | 40c | multi | Perna perna | |||
| - | 50c | multi | Palinurus homarus |
1990, Sep 20 plants (1990 Transkei)
| - | 21c | multi | Cyrthanthus obliquus | |||
| - | 35c | multi | Disa crassicornis | |||
| - | 40c | multi | Sandersonia aurantiaca | |||
| - | 50c | multi | Podranea ricasoliana |
1991, Jun 20 Endangered Birds (1991)
| - | 25c | multi | Balearica pavonina | |||
| - | 40c | multi | Gyps coprotheres | |||
| - | 50c | multi | Bugeranus carunculatus | |||
| - | 60c | multi | Neophron percnopterus |
1992, Feb 20 orchids (1992 Transkei)
| - | 27c | multi | Eulophia speciosa | |||
| - | 45c | multi | Satyrium sphaerocarpum | |||
| - | 65c | multi | Disa scullyi | |||
| - | 85c | multi | Disa tysonii |
1993, Aug 20 Famous People of Medicine (1993)
| - | 45c | multi | Alexander Fleming | |||
| - | 65c | multi | Alexis Carrel | |||
| - | 85c | multi | James Lind | |||
| - | 1.05r | multi | Santiago Ramon y Cajal |
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