O. 31/5 JL 4" single-ring d.s.applied at Tuna (one strike with numeral just legible), on reverse a good strike of the "BASE OFFICE" (11/7) single-ring d.s. applied at Siliguri. Photo " /> cover 1904 (5 July) envelope (slight rusting) to Col. Bailey, Scotland bearing ½a. (2) both cancelled by very faint strikes of the rare "F.P.O. N<V>O. 31/5 JL 4" single-ring d.s.applied at Tuna (one strike with numeral just legible), on reverse a good strike of the "BASE OFFICE" (11/7) single-ring d.s. applied at Siliguri. Photo | Christie's