unused Block Larger Than four OFFICIALS: A selection of complete unused/mint sheets, comprising S.G. O37, 41, 42, 52, 58, 74II, 78II, 80II, 81, 86, 87, 89, 93, 97, 100, 103, 104, 104b and Postage 126, a few with inverted watermark; faults in margin in places, otherwise generally fine. Cat. 1070.