inscribed in pencil on support reverse u.c.: 1969 inscribed in blue ballpoint pen on support reverse u.r.: Marlo inscribed in pencil on support reverse u.r.: 52 inscribed in red fibre-tipped pen and pencil on support reverse c.: 4 (crossed out twice) inscribed in pencil on support reverse c.: Cat Nº 52 stamped in ink on support reverse c.: Photography by / ATHOL SHMITH inscribed in pencil on support reverse l.c.r.: 8300101
