O 2" single-ring d.s. and showing, on reverse, Rangoon, Bombay and arrival c.d.s. Photo" /> cover 1889 (28 Mar.) 4a.6p. stationery envelope (some slight toning) to England cancelled by a fair to good strike of the very rare "BURMESE FIELD/SUB P.O./N<V>O 2" single-ring d.s. and showing, on reverse, Rangoon, Bombay and arrival c.d.s. Photo | Christie's