unused 1931 printed wide apart ½a. block of four, printed close together ½a. block of eight, mint, and 1935-38 1a. imperforate colour trial? pair in rose-red

細節
unused 1931 printed wide apart ½a. block of four, printed close together ½a. block of eight, mint, and 1935-38 1a. imperforate colour trial? pair in rose-red