Air Mail cover 1929-76 XU5 (53) bearing a range of Trinidad, U.S. or other values and carried on a variety of mainly first or special flights, including 1929 to (2) and from U.S.A., 1929 F.A.M. 6 types, 1930 N.Y.B.R.A. (2), 1931 DO-X from Surinam, 1931 from Venezuala (4) and a variety of later flights; mainly fine and a useful group.