inscribed in pencil on support reverse u.r.: 16 inscribed in red fibre-tipped pen on support reverse c.: 70 inscribed (vertically) in blue ink on support reverse c.: LYDIA. (LYDIA underlined) inscribed in blue ink and blue fibre-tipped pen on support reverse c.r.: 72 / 1952 (crossed out) / 1947 / 16/20 / Black / W/M. inscribed in pencil on accompanying mount l.l.: Lydia (ia underlined) inscribed in pencil on accompanying mount l.r.: Athol Shmith (th underlined) / '47
