showing, on reverse, fine strikes of the "LAHSSA" (1/9) and "BASE OFFICE" (2/9) single-ring d.s., the latter just overstruck by an arrival c.d.s., on front are three Due h.s. A rare unfranked letter. Photo " /> <I> "No stamps available"</I> showing, on reverse, fine strikes of the "LAHSSA" (1/9) and "BASE OFFICE" (2/9) single-ring d.s., the latter just overstruck by an arrival c.d.s., on front are three Due h.s. A rare unfranked letter. Photo | Christie's