unused Air Post, 1918-68, accumulation of unused singles, blocks and plate no. blocks, better items incl. singles of nos. C1 two, C2 three, C4 two, C5, C6; blocks of four of nos. C12, C16, C18 and C24, extremely mixed condition, some have disturbed o.g. (few without gum) or faults, otherwise generally fine-very fine lot