Stamps of Liberia, 16th Anniversary of OAU and Summit Conference of OAU Members issue
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postage
1979, Jul 6 16th Anniversary of OAU and Summit Conference of OAU Members issue unwmk (no perf info)
| - | 5c | multi | ||||
| - | 27c | multi | ||||
| - | 35c | multi | ||||
| - | 50c | multi |
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