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postage
1988, Jan 1 World Food Day 1986 issue wmk. mult SG
| - | 75pia | multi | p. 13x13.5 | — | — | |
| - | 75pia | multi | imperf | — | — |
1988, Mar 15 Children's Welfare issue p. 14
| - | 75pia | multi | oral rehydration | — | — |
1991, Jul 1 1991 issue p. 13.5x13.25
| - | 75pia | multi | Gum Arabica tree pickers | — | — |
official
1991, Jul 1 1991 official b issue
| - | 75pia | multi | — | — |
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