Rhodesia. (Great Britain). 1935. Air Mail envelope addressed to England bearing Southern Rhodesia SG 16, 1d carmine (4) and SG 20, 6d black and magenta tied by Bulawayo double ring with Air Mail label, underpaid with Great Britain postage due SG D15, 4d grey-green tied by Cambridge receiver with hand-struck '4d' on face. Very fine.