O 17" between bars and showing, on reverse, a good strike of the undated "FIELD.P.O./NO 17" in circle, also Peshawar boxed h.s. and c.d.s. Rare (the only example recorded by Proud). Photo" /> cover 1880 (Mar.) ½a. blue stationery envelope to Peshawar cancelled by "F N<V>O 17" between bars and showing, on reverse, a good strike of the undated "FIELD.P.O./N<V>O 17" in circle, also Peshawar boxed h.s. and c.d.s. Rare (the only example recorded by Proud). Photo | Christie's