Tokyo 1964 Olympic Games participant's medal, designed by T. Okamoto and K. Tanaka

Tokyo 1964 Olympic Games participant's medal, designed by T. Okamoto and K. Tanaka, copper, the obverse with stylised figures of three runners and a swimmer, inscribed OKAMOTO TANAKA, the reverse with Olympic Rings and legend in Japanese and English, inscribed XVIII OLYMPIAD TOKYO 1964, rim bearing mint stamp, diameter 61mm.