unmounted mint Block Larger Than four 1938-54 1c. perf. 13¼x13¾, ten complete sheets of 100 from Plate 2/4B with one in each showing variety damaged left-hand value tablet, ten sheets from Plate 2/4B with one in each showing variety break in bird's breast and another with retouched value tablet, and a further ten sheets from Plate 2 (squat) without listed varieties; fine unmounted mint. S.G. 131/ab/ac/ad, £2,800+