cover 1864 (6 Jan.) envelope to London, bearing 8p., 2a. and 4a. cancelled with experimental diamond of bars and showing, on reverse on opened-out flap, a fine strike of the "LIEUTT GOVRS N W P CAMP" c.d.s. in red; tear around the adhesives though remaining attractive

Details
cover 1864 (6 Jan.) envelope to London, bearing 8p., 2a. and 4a. cancelled with experimental diamond of bars and showing, on reverse on opened-out flap, a fine strike of the "LIEUTT GOVRS N W P CAMP" c.d.s. in red; tear around the adhesives though remaining attractive