1931 Kingsford Smith Set in superb condition. 2d Red x 3 mint, 1 perfect used. 3d Blue x 3 mint singles and 2 blocks 4 plus 2 used. 6d Violet x 2 mint, 1 lightly used. 6d Sepia x 2 mint , plus 1 used. Finally set 3 overprinted OS, 6d Sepia MUH. SG121/3, 139, 139a and SGO123/4, ASC 133-39. Cat £296