February 27, 1980 The Imperial Decorations are honors conferred by the Emperor, and the Medal of Honor is awarded to individuals with outstanding achievements or virtues in specific social fields. There are various types, including the Blue Ribbon, Yellow Ribbon, Purple Ribbon, Green Ribbon, Red Ribbon, and Navy Ribbon, each named after the color of the ribbon. Although there is no silver hallmark, according to materials from the Decorations Bureau, etc., they were made of pure silver before the war, and the old types from the Showa era were also silver. The black case has minor scratches. The Medal of Honor itself shows the blue tone characteristic of silver.