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Letter A (Gabon), 500 Francs, Tolli / Aleka-Rybert signatures on hybrid substrate, B106Ad2/P406Ad2, Fine
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Letter A (Gabon), 1000 Francs, Nchama / Aleka-Rybert signatures on paper substrate, B107Ac/P407Ac, Fine
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Letter A (Gabon), 2000 Francs, Andzembe / Aleka-Rybert signatures (better signature variety), B108Ab/P408Ab, Fine (pinholes)
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Letter A (Gabon), 10000 Francs, Andzembe / Aleka-Rybert signatures (scarce signature variety), B110Ab/P410Ab, Unc-
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Letter C (Chad), 500 Francs, Tolli / Angue signatures, B106Ce/P606Ce, UNC
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Letter C (Chad), 5000 Francs, Tolli / Aleka-Rybert signatures, B109Cd/P609Cd, Unc-
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Letter C (Chad), 5000 Francs, Andzembe / Aleka-Rybert signatures (scarce signature variety), B109Cb/P609Cb, XF+
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Letter T (Congo), 1000 Francs, Mamalepot / Aleka-Rybert signatures, B107Ta/P107Ta, UNC
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Letter U (Cameroon), 500 Francs, Nchama / Meke signatures on paper substrate, B106Ue2/P206Ud2, Unc-
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Letter U (Cameroon), 1000 Francs, Mamalepot / Meke signatures, B107Ua/P207Ua, UNC
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Letter U (Cameroon), 1000 Francs, Nchama / Meke signatures on hybrid substrate, B107Ud1/P207Ud1, AU
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Letter U (Cameroon), 1000 Francs, Nchama / Meke signatures on paper substrate, B107Ud2/P207Ud2, UNC
