Stamps, President Marien Ngouabi design
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Republic of the Congo
airmail1973, Aug 12 10th Anniversary of Revolution issue unwmk (no perf info)
| - | 30fr | multi | President Marien Ngouabi | .20 | ||
| - | 40fr | multi | President Marien Ngouabi | .20 | ||
| - | 75fr | multi | President Marien Ngouabi |
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