Stockholm 1956 Equestrian Olympic Games prize medal believed to be a maker's prototype, slightly heavier at 109gr. than the issued silver prize medal

Stockholm 1956 Equestrian Olympic Games prize medal believed to be a maker's prototype, slightly heavier at 109gr. than the issued silver prize medal (106gr.), obverse with design by John Sjosvard featuring a classical Greek horseman, inscribed XVI OLYMPIADENS RYTTARTAVLINGAR, 1956, STOCKHOLM, reverse with Olympic Rings & torch, inscribed JEUX OLYMPIQUES, OLYMPIA, CITIUS. ALTIUS, FORTIUS; sold with a participant's badge for the same Games in gilt-metal & red enamel (2)