C" accountancy h.s., Suez and Calais c.d.s. on face, the reverse with a good strike of the "FIELD FORCE POST OFFICE/ABYSSINIA" c.d.s. in red and three other c.d.s.. A very rare and most attractive item of underpaid mail to France. Photo" /> cover 1868 (8 Jan.) envelope (flap and other small part of reverse missing) from a member of the Abyssinian Field Force to France, bearing 4a. vertical pair each initialled in manuscript and cancelled with superb "F.F." in square in diamond of bars, showing "PAID-ONLY/TO ENGLAND" h.s., "GB/40<V>C" accountancy h.s., Suez and Calais c.d.s. on face, the reverse with a good strike of the "FIELD FORCE POST OFFICE/ABYSSINIA" c.d.s. in red and three other c.d.s.. A very rare and most attractive item of underpaid mail to France. Photo | Christie's