unmounted mint Block Larger Than four POSTAGE DUES: 1939-49 perf. 11x9 2c., 3c. and 4c. each in an unmounted mint large part sheet of one hundred; a few 2c. with adherances on gum and a few of the 3c. and 4c. with surface faults, though generally fine. S.G. 2a, 3a, 4a; £3,200