unused Block Larger Than four Hong Kong, 1938-47, 2c-50c Postage Dues (J6-J12, Gibbons D6-D12), blocks of twenty (2x10) showing sheet margin at T. and B., most stamps never hinged, folded horizontally along perfs, few small faults incl. one 50c with extraneous ink mark, otherwise appear fine-very fine, Scott retail $542.00, Gibbons £900est.