1966 4d block of 6 W97 cylinder 1A, 1B perf type A SG701. 6d block of 4 W98 cylinder 1A,1B,1C perf type A SG702, 1'3 W99 cylinder 1A, 1B, 1C, 1D perf type A SG703, 1'6 W100 cylinder 1A, 1B,1C,1D,1E perf Type A SG704