unused Block Larger Than four OFFICIAL STAMPS: 1935-36 "THREE/PIES" in black on 4c. chocolate, a block (2x5) from the lower right corner of sheet, from the rare 1st. printing showing errors "PIFS" [69] and "PISE" [100], a few perfs. split otherwise fine mint; also a similar block from the amended 2nd printing. S.G. O325, c, d; £410+