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| Start / | Collection / | Stamp on Stamp / |
| Ascension | Azores | Cameroun | Central African Republik | Chad | Egypt | Gambia | Kenya | Madeira |
| Malawi | Mali | Mauritius | Seychelles | Sierra Leone | South Africa | Tristan da Cunha | Uganda | Zaire |
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Collection / Stamp on Stamp / Africa / Zaire |
28.01.1980 100th Anniversary of the Death of Sir Rowland Hill |
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Belgian Congo |
Belgian Congo |
Belgian Congo |
Belgian Congo |
Belgian Congo |
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Belgian Congo |
Belgian Congo |
Belgian Congo |
Belgian Congo |
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