inscribed in brush and ink l.r.: JM (in reverse) inscribed in pencil on reverse u.r.: (...illeg.) water / (...illeg.) George River / Near Lorne inscribed (vertically) in pencil on reverse l.r.: Half (underlined) inscribed (inverted) in blue pencil on reverse l.c.: Used for process stamped in purple ink l.c.: C. WELLS / INVENTOR & MAKER stamped in purple ink l.c.l.: 24, BOUVERIE STREET, / FLEET STREET stamped in purple ink l.c.: LONDON, E. (...illeg.)