Cook Islands: 1932 Captain Cook 1d. imperforate plate proof in issued colours, block of 40 (5 x 8) from the left of the sheet, mainly fine. Photo. (Image1)

Cook Islands: 1924-47 4d. imperf. corner colour trial block of four in reddish brown and black, without gum, a few minor tone spots and crease in selvedge, otherwise fine.