Tokyo 1964 Olympic Games participant's medal, designed by T. Okamoto and K. Tanaka, copper, obverse with stylised figures of  three runners and a swi

Tokyo 1964 Olympic Games participant's medal, designed by T. Okamoto and K. Tanaka, copper, obverse with stylised figures of three runners and a swimmer, inscribed OKAMOTO TANAKA, reverse with Olympic Rings and legend in Japanese and English, inscribed XVIII OLYMPIAD TOKYO 1964, rim bearing mint stamp, diameter 61mm., weight 118gms.