inscribed in black pen and ink, upper right: Ritchie / 2014 / 2017; in graphite, center verso: 27 September 2014 / in black pen and ink: Ritchie 2014-2017; various inscriptions...
inscribed in black pen and ink, upper right: Ritchie / 2014 / 2017; in graphite, center verso: 27 September 2014 / in black pen and ink: Ritchie 2014-2017; various inscriptions in graphite and black pen and ink