1920 Victory selection with 1½d., 3d. and 6d. imperforate trials each overprinted "SPECIMEN", mint and used sets and 1922 2d. on ½d. (8)

Details
1920 Victory selection with 1½d., 3d. and 6d. imperforate trials each overprinted "SPECIMEN", mint and used sets and 1922 2d. on ½d. (8)