Equatorial Guinea 1974 Centenary of UPU perf set of 2 sheetlets (Concorde & Ship) in gold with white background opt'd 'Espana 75', unmounted mint, Mi BL140-41
Equatorial Guinea 1974 Centenary of UPU perf set of 2 sheetlets (Concorde & Ship) in gold with white background opt'd 'Espana 75', unmounted mint, Mi BL140-41