Air Mail cover 1926 (8 May-5 June) first Flight Bangkok - Copenhagen XU5 bearing 2s. on 14a. block of four cancelled by Bangkok 2 c.d.s. (8.5) showing cachet "BY DANISH FOKKER AEROPLANES 1926/" Bangkok to Copenhagen", signed by pilot Herschend, endorsed "arrived at Copenhagen on June 5th 1926," with "ROYAL SIAMESE LEGATION COPENHAGEN" cachet adjacent. Rare. Ex Stewart. Photo