Order of the Chrysanthemum
The Supreme Order of the Chrysanthemum (大勲位菊花章, Dai-kun'i kikka-shō) is Japan's highest order. The Grand Cordon of the Order was established in 1876 by Emperor Meiji of Japan; the Collar of the Order was added on 4 January 1888.
Source: Wikipedia — Order of the Chrysanthemum (CC BY-SA 4.0)