1934 (December) Stamp Printing Office Die Proofs of the 1935 Airmail issue produced in December 1934, with date and numbers on the reverse of the card as folows:- 1d. Green 20/12/34 No.5, 3d. Blue 21/12/34 No.8, 6d. Brown 20/12/34 No.37. Small fault at top of 1d. Stated to be probably unique in private ownership. Ex. Gawaine Baillie