Guinea - Conakry 1974 Centenary of UPU imperf m/sheet (showing Balloon) from a limited printing unmounted mint as SG 862a
Guinea - Conakry 1974 Centenary of UPU imperf m/sheet (showing Balloon) from a limited printing unmounted mint as SG 862a
Guinea - Conakry 1974 Centenary of UPU imperf m/sheet (showing Balloon) from a limited printing unmounted mint as SG 862a