BIAFRA. Republic. 1967-1970. Sixpence 1969 (Aluminum, 20 mm, 1.19 g, 6 h). REPUBLIC OF BIAFRA / 1969 / 6 / PENCE. Rev. PEACE UNITY FREEDOM Palm tree and rising sun within a manilla. KM 12. Extremely rare, just 5-10 pieces known according to KM. Nearly extremely fine.