Efficiency Decoration EIIR 1982 Onwards Miniature
Instituted: 17 October 1930.
Branch of Service: Territorial Army (UK), the Indian Volunteer Forces and the Colonial Auxiliary Forces.
Ribbon: Half blue, half green, with a central yellow stripe. Members of the Honourable Artillery Company wear half blue, half scarlet ribbon, with yellow edges.
Description: An oval skeletal badge in silver and silver-gilt with the crowned monogram in an oak wreath, the ring for suspension being fitted to the top of the crown. Territorial topbar.