inscribed in pen and ink ( in image) l.c.l.: Shannon 55.; inscribed in pencil on reverse u.l.: 22 [circled] inscribed in pencil on reverse u.c.: 18" x 24 1/2 / 3"Grey Green [crossed out with double line] mount.; inscribed in pencil on reverse illeg..../ Dark Brown.; inscribed in fibre-tipped pen on white adhesive label on reverse (vertically) c.l. : 267