EARLY IMPERF. COVER GROUP: Includes trio of 1850 items (a front and two wrappers) each with a single 6c black franking (SG 1/2). All three are fine and attractive. Also, a group of c.1852-64 covers/fronts with a variety of early frankings. Also a used and unused example of the 1851 6c black. (9 covers/fronts plus 2 stamps) (Image)