World Coins - Asia & Middle-East，JAPAN: Taisho, 1912-1926, AE medal (103.4g), year 10 (1921), March

World Coins - Asia & Middle-East，JAPAN: Taisho, 1912-1926, AE medal (103.4g), year 10 (1921), March 3, as Zeno-151842, 61mm, bronze medal by S. Nakano, depicting Crown Prince Hirohito (the later Emperor Showa) on the obverse with inscription above (roughly translating to "In Commemoration of the Overseas Expedition [Voyage] of HRH the Crown Prince") , battleship Katori with doves to either side, date above, superimposed over a globe, Osaka Mint hallmark on edge, choice EF. In 1920 the Crown Prince Hirohito was promoted to the rank of Major in the army and Lieutenant Commander in the navy. In 1921, from March 3 until September 3, Hirohito took a six-month tour of Europe onboard the battleship Katori, including the United Kingdom, France, Italy, the Netherlands and Belgium. He was the first Japanese crown prince to travel abroad. After his return to Japan at the age of 20 he became Regent of Japan on November 25, 1921, in place of his ailing father who was affected by a mental illness. The Katori was the lead ship of the two pre-dreadnought battleships designed and built for the Empire of Japan by the British shipyard Vickers. The ship was disarmed and scrapped by 1925 in accordance with the terms of the Washington Naval Treaty of 1922. This medal also exists in silver.