inscribed in blue ballpoint pen on reverse u.c.: Le Corbusier (underlined) / 1951 inscribed in pink pencil on reverse c.l.: le Corbusier artist stamp in ink on reverse c.: FELIX H. MAN / COPYRIGHT stamped in ink on reverse l.c.: PLEASE CREDIT (...illeg.) / photograph by FELIX H. MAN inscribed in blue ballpoint pen on reverse l.c.: Felix H Man artist stamp in red ink on reverse l.r.: FHM (F reversed) (monogram)