cover 1841 (17 June) E. to London with good strike of the blue-green circular undated "BUENOS AIRES" of Falmouth (across join on reverse) overstruck by red London c.d.s.; 1849 (25 June) E.L. from Boston to England, black h.s. "5" on front; 1856 (25 May) E. endorsed "O.H.M. Service" in manuscript on front and with two fine strikes of the British P.O. "MARTINIQUE" double-arc d.s. on reverse, good