1W = Scotland

2W = Northern Ireland

3A = Irish Republic

3B = Isle of Man, Channel Islands

3C = England, United Kingdom part not stated

3D = Ireland part not stated

3G = Wales

3W = Not stated

4A = Norway, Sweden

4B = Finland

4D = Belgium, Luxembourg

4E = Netherlands

4F = Denmark, Greenland

4G = France, Monaco

4H = Spain, Canary Islands, Balearic Islands

4J = Portugal, Azores, Madeira

4K = Turkey

4L = Italy, San Marino and Vatican City

4M = Austria

4N = German Demographic Republic

4P = Switzerland, Leichtenstein

4Q = Federal Republic of Germany and Germany part not stated

4R = Greece

4S = Czechoslovakia

4T = Yugoslavia

4U = Albania, Bulgaria

4W = Other Europe

4X = Hungary

4Y = Poland

4Z = Romania

5A = Gibraltar

5B = Malta and Gozo

5C = The Gambia

5D = Ghana

5E = Sierra Leone

5F = Nigeria

5G = Botswana, Lesotho, Swaziland

5H = Zimbabwe

5J = Kenya

5K = Malawi

5L = Tanzania

5M = Uganda

5P = Zambia

5R = Seychelles, Mauritius and other New Commonwealth

6A = Cyprus

6B = Bangladesh

6C = India

6D = Sri Lanka

6E = Malaysia, Singapore

6F = Hong Kong

6G = Australia

6H = New Zealand

6K = Canada

6L = Belize

6M = Barbados

6P = Jamaica

6Q = Trinidad and Tobago

6R = West Indian Associated States and other Caribbean Commonwealth

6S = West Indies (so stated)

6T = Guyana

7A = USA

7B = Central America (Mainland)

7C = Caribbean

7W = South America

8C = Other Africa (Foreign)

8D = Libya

8F = Republic of South Africa

8J = Morocco

8K = Algeria

8L = Tunisia

8M = Egypt

9A = Israel

9E = Iran

9F = Other Middle Eastern Countries

9G = Burma, Other Asia (Foreign)

9H = Philippines Vietnam

9J = Peoples Republic of China, Taiwan

9K = Japan

9L = USSR

9N = Pakistan

9W = Rest of world/at sea/in the air