United Kingdom: Efficiency Medal

Ribbon: Green with yellow edges.

Instituted: 23 September 1930, replacing the Volunteer Long Service Medal, the Colonial Auxilary Forces Long Service Medal, the Militia Long Service Medal, the Special Reserve Long Service Medal and the Territorial Efficiency Medal.
Discontinued: 1 April 1999, being replaced by the Volunteer Reserves Service Medal.

Awarded: For 12 years' service in the ranks of the Territorial and Auxiliary Military Forces throughout the Commonwealth.

George V	George VI Type 1	George VI Type 2
Elizabeth II Type 1	Elizabeth II Type 2	Elizabeth II Type 3
Territorial		Sorry - no picture of reverse
Militia		Sorry - no picture of reverse
Honourable Artillery Company	Sorry - no picture of obverse	Sorry - no picture of reverse
Australia	Sorry - no picture of obverse	Sorry - no picture of reverse
Barbados	Sorry - no picture of obverse	Sorry - no picture of reverse
Bermuda		Sorry - no picture of reverse
British Guiana	Sorry - no picture of obverse	Sorry - no picture of reverse
British Honduras	Sorry - no picture of obverse	Sorry - no picture of reverse
Canada		Sorry - no picture of reverse
Ceylon		Sorry - no picture of reverse
Falkland Islands	Sorry - no picture of obverse	Sorry - no picture of reverse
Fiji	Sorry - no picture of obverse	Sorry - no picture of reverse
Guernsey		Sorry - no picture of reverse
Hong Kong		Sorry - no picture of reverse
India		Sorry - no picture of reverse
Jamaica	Sorry - no picture of obverse	Sorry - no picture of reverse
New Zealand	Sorry - no picture of obverse	Sorry - no picture of reverse
Nigeria	Sorry - no picture of obverse	Sorry - no picture of reverse
Southern Rhodesia	Sorry - no picture of obverse	Sorry - no picture of reverse