Air Mail cover 1930 (21 June) envelope carried on return flight of seaplanes S1419 and S1149 from Sandakan to Kudat, addressed to Jesselton, bearing 1925-28 50c. tied by framed "AIR MAIL/Aeroplane/NORTH BORNEO" with Sandakan c.d.s. alongside and showing Jesselton arrival c.d.s. (25.6) on reverse. Photo