Proof Block Larger Than four 1940 Centennial 1d., 2d. and 3d.(no gum); blocks of forty (the 1d. with two blocks of four detached -- one stamp defective) -- the 3d. with four extra, and in "Approved" imprint/plate number blocks of sixteen. Also, as issued, ½d. to 1/- -- two sets (one less ½d., 1½d. and 2½d. ) complete printer's file sheets.