cover 1864 (24 Feb.) entire from Calcutta to Hong Kong, marked "per Steamer Lightning", rated "4", bearing 1856-64 1a. with central cancellation and showing, on reverse, boxed "CALCUTTA/SHIP LETTER/PAID" d.s. in red and arrival c.d.s. (25.3) in blue

Details
cover 1864 (24 Feb.) entire from Calcutta to Hong Kong, marked "per Steamer Lightning", rated "4", bearing 1856-64 1a. with central cancellation and showing, on reverse, boxed "CALCUTTA/SHIP LETTER/PAID" d.s. in red and arrival c.d.s. (25.3) in blue