Air Mail cover -- another cover from this flight addressed to Fl/Lt D.F. Anderson which bears India 1a. tied by Karachi c.d.s. with Thailand 1920-25 3s. and 1928 2s. tied by wavy lines cancellation with the Bangkok c.d.s. alongside; readdressed to Phya Tai Palace and shows the Palace h.s. in red, fine. One of only four covers bearing the Palace handstamp. Photo