cover 1904 envelope to London, bearing G.B. 1d. cancelled "AOI" and showing "T" in triangle and "4D/F.B." h.s.; 1923 unstamped envelope from Cross Roads to the Cayman Islands, bearing 1d. and 2d. applied on arrival and cancelled "T" in circle; 1923 front and 1939 envelope to U.S.A., both showing "T/JAMAICA/CENTIMES/40" in violet and similar from 10c. in black respectively, the former with 2c Postage Due strip of four.