Tanzania 1986 Railways imperf m/sheet (as SG MS 434) overprinted 'AMERIPEX '86' in black, unmounted mint
Tanzania 1986 Railways imperf m/sheet (as SG MS 434) overprinted 'AMERIPEX '86' in black, unmounted mint
Tanzania 1986 Railways imperf m/sheet (as SG MS 434) overprinted 'AMERIPEX '86' in black, unmounted mint