cover 1850 (1 Dec.) 1Ggr. black on grey-blue with good even margins on entire to Aurich perfectly cancelled by a superb strike of the rare boxed "GILDEHAUS" h.s. in black (Grobe DM800) and showing straight line "RENTHEIM" adjacent with arrival c.d.s. on reverse; a vertical filing crease is well away from the adhesive. Exhibition item. Photo