1935 Stamp Printing Office Die Proofs of the 1935 Airmail issue produced in December 1934, with dates and numbers on the revers of the card as follows:- 1d green 20/12/34 No.5, 3d. blue 21/12/34 No.8 and 6d. brown 20/12/34 No 37; some damage to the 1d., a remarkable item, probably unique in private ownership. Ex. Sir Gawaine Baillie