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postage
1969, Dec 20 African Development Bank 5th issue wmk. mult SG p. 13.5
| - | 65m | — | — |
1969, Dec 27 ILO 50th issue wmk. rectangles p. 14.5
| - | 65m | — | — |
1970, May 25 1st Anniversary of May Revolution of 1969 issue wmk. mult SG p. 11.5x11
| - | 65m | multi | — | — |
1970, Oct 21 1st Anniversary of May Revolution of 1969 b issue
| - | 65m | multi | — | — |
1971, May 2 International Education Year issue p. 11x11.5
| - | 65m | multi | — | — |
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