Air Mail cover 1921 (31 Jan.) Timaru to Christchurch first flight XU5 "Per Aerial Post" and Pilot signed (Capt. Euan Dickson); also (1 Feb.) Ashburton to Christchurch first flight XU5 of the weekday service, similarly Pilot signed and with circular "TO PAY/4D." handstamp alongside. A fine and scarce pair. Photo