Japan, Taisho Enthronement Medal, ladies version. Mounted for wear as a breast badge.
The Taisho Enthronement Medal for ladies is a silver commemorative medal from 1915, worn on a specific ribbon attached to a bow instead of the standard suspender worn by men. The medal was awarded to women who participated in the enthronement ceremonies of Emperor Taisho and features the Imperial chrysanthemum, cherry, and tachibana blossoms.