Nice illustrated 'R. J. Villasmil & Co.' advertising airmail cover franked with 1937 70c emerald 'Acquisition of La Guaira Harbour' issue, 1938 25c light blue and 1938 25c on 40c green 'Surcharge' issue (SG 488, 511 & 540) tied by MARACAIBO cds's dated 11-5-1936. Addressed to USA.