unmounted mint Block Larger Than four 1875 (Sept.) CC perf 14 ½d. yellow-buff, an interpanneau mint block of forty (10 x 4); a few split perfs. and fractional gum creasing, otherwise fresh and fine unmounted mint. A rare multiple. B.P.A. Certificate (1977) for a larger block from which this has been extracted. S.G.10, 2400