timbres Format Vertical feuille 54

                                           
1977 MinÃ©raux: Amazonite
                                  Kenya
                                
1977 MinÃ©raux: chaise haute
                                  Kenya
                                
1977 MinÃ©raux: gypse
                                  Kenya
                                
1961 Tanganyica Independence: Corn Collection
                                  Tanzanie
                                
1969 Plantes: Ochna ovata
                                  Ouganda
                                
1969 Plantes: Cassia didymobotrya
                                  Ouganda
                                
1971 Coquillages: Mitra episcopalis
                                  Kenya
                                
1971 Coquillages: Mauritia Mauritia
                                  Kenya
                                
1971 Coquillages: Sanhaliotis varia
                                  Kenya
                                
1971 Coquillages: Trochus flammulatus
                                  Kenya