1933-34 50c Survey Department essays on thin surfaced wove paper, similar to 1935-7 issued design, selection comprising Norris types 'C', single, (lines of shading closer at top) in black red, 'F' (solid background) in dull green, lower marginal horizontal pair from the sheetlet, 'G' (lined background) in grey, sheetlet of four; also 'so called' plate proofs in grey-black 'G', lower marginal block of four and 'H' (solid background), upper marginal block of four. Fine. (5 items) (Image)