cover 1838 (6 Jan.) entire letter from Geneva to Malta, sent via the British Consul at Marseilles, showing various despatch and transit markings with, on reverse across join, light "18 January 3d" h.s. (DC-3s) struck over Marseilles transit c.d.s.; 1839 (8 June) entire letter from Genoa showing, on reverse, clear "1 July 3,d" h.s. (DC-3m--latest recorded date)