cover 1881 (26 May) merchants XU5 (with original enclosure) to New York (2.7 arrival), bearing 1880 10c. on 12c. blue perfin (defective at foot and showing a 5mm. piece of a further similar adhesive applied beneath and slightly overlapping) and tied by circle of dots; "SINGAPORE/PAID" despatch c.d.s. in red alongside together with "4c" rate mark in crayon, London transit backstamp (23.6).