unused Block Larger Than four 12c. on 8c. grey-olive, an imprint block of eight (4x2), some light gum browning otherwise fine mint. S.G. J31, £1040

Details
unused Block Larger Than four 12c. on 8c. grey-olive, an imprint block of eight (4x2), some light gum browning otherwise fine mint. S.G. J31, £1040