This commemorative medal was distributed to JNR (Japanese National Railways) employees in 1972 to celebrate the 100th anniversary of the railway. The front features the 0 Series Shinkansen, the world's first high-speed railway vehicle. The back features the No. 1 locomotive, a British-made engine that ran between Shinagawa and Yokohama for the first time in 1872 (Meiji 5). Size: Approximately 60.0mm This item has been stored at home. Thank you for your interest.