International Ovals, alphabetically sorted from A to G
The information in italic has to be confirmed, the rest comes mainly from RPW3 or international organisations sources.
| Country | OVAL | Used between : |
or since : | ISO 2/3 |
| Austria | A | 10- | AT/AUT | |
| Yemen Democratic Republic, now in Yemen | ADN | 38-80 now in YAR | YD/YMD reserved | |
| Afghanistan | AFG | 71- | AF/AFG | |
| Albania | AL | 34- | AL/ALB | |
| Andorra | AND | 57- | AD/AND | |
| Antigua and Barbuda (unofficial Oval with flag seen in London, in the 80's) | ANU | AG/ATG | ||
| Egypt (Arab Republic of ) (unofficial Oval seen in France) | ARE | |||
| Armenia (unofficial Oval seen in France, 3 armenian characters) | armenian | |||
| Saudi Arabia (unofficial Oval seen in France) | AS | |||
| Aruba (RPW3 p34) | AUA | AW/ABW | ||
| Australia | AUS | 54- | AU/AUS | |
| Australia (unofficial Oval seen in France) | AUST | |||
| Azerbaijan | AZ | 93- | AZ/AZE | |
| Belgium | B | 10- | BE/BEL | |
| Burma, now Myanmar | BA | 37-56 now BUR | BU/BUR reserved | |
| Bangladesh | BD | 78- | BD/BGD | |
| Barbados | BDS | 56- | BB/BRB | |
| Burkina Faso | BF | 90- | BF/BFA | |
| Bulgaria | BG | 10- | BG/BGR | |
| British Honduras, now Belize | BH | 38-80 now BZ | ||
| British India, now split | BI | 12-47 now IND+BD+BUR+PK+YAR | ||
| Bosnia and Herzegovina | BIH | 93- | BA/BIH | |
| Basutoland, now Lesotho | BL | 35-67 now LS | ||
| Benin (unofficial Oval list) | BN | |||
| Bolivia | BOL | 67- | BO/BOL | |
| Bechuanaland Protectorate, now Botswana | BP | 35-67 now BW | ||
| Brazil | BR | 30- | BR/BRA | |
| Germany (unofficial Oval seen in Europe in 90) | BRD | |||
| British Guyana, now Guyana | BRG | 54-72 now GUY | ||
| Bahrain | BRN | 54- | BH/BHR | |
| Brunei | BRU | 56- | BN/BRN | |
| Bahamas | BS | 50- | BS/BHS | |
| British Somaliland, now in Somalia | BS | 35-66 now in SO | ||
| Botswana (unofficial Oval list) | BST | |||
| Myanmar, former Burma | BUR | 56- | MM/MMR | |
| British Virgin Islands | BVI | ? | VG/VGB | |
| Botswana | BW | since 2003, 67-2002 : RB | ||
| Belarus | BY | 92- | BY/BLR | |
| Belize | BZ | 90- | BZ/BLZ | |
| Cuba | C | 30- | CU/CUB | |
| Canada | CA | begin. 50s now CDN | ||
| Cameroon | CAM | 53-72, and then since : | 84- | CM/CMR |
| Belgian Congo and Ruanda-Urundi, now split | CB | 31-61 now ZRE+RWA+RU | ||
| Canada | CDN | 56- | CA/CAN | |
| Somali French Coast, now Djibouti (reported Oval) | CFS | now RDD ? | ||
| Congo Kinshasa, now democratic Republic of Congo | CGO | 61-72 then | 99- | |
| Switzerland | CH | 11- | CH/CHE | |
| China (unofficial Oval list) | CHI | |||
| Cote d'Ivoire, former Ivory Coast | CI | 61- | CI/CIV | |
| Sri Lanka, former Ceylon | CL | 32- | LK/LKA | |
| North Borneo Colony - Sabah, now in Malaysia | CNB | 55-63 now in MAL | ||
| Canada (unofficial Oval list, error ?) | CND | |||
| Colombia | CO | 52- | CO/COL | |
| Costa Rica | CR | 56- | CR/CRI | |
| Czech Republic (unofficial Oval seen in Europe in 96 ) | ĒR | |||
| Croatia | CRO | 91 now HR | ||
| Czechoslovakia, now split | CS | 22-92 now CZ+SK | CS/CSK reserved | |
| Curacao, now in Netherlands Antilles | CU | 36-57 now in NA | ||
| Cyprus | CY | 32- | CY/CYP | |
| Czech Republic | CZ | 93- | CZ/CZE | |
| Germany | D | 10- | DE/DEU | |
| Danzig, now in Poland | DA | 22-39 now in PL | ||
| East Germany, now in Germany | DDR | 74-90 now in D | DD/DDR reserved | |
| Denmark | DK | 14- | DK/DNK | |
| Dominican Republic | DOM | 52- | DO/DOM | |
| Benin, former Dahomey | DY | 61-76 and then since : | 90s? | BJ/BEN |
| Algeria | DZ | 63- | DZ/DZA | |
| Spain | E | 10- | ES/ESP | |
| British East Africa, now split | EA | 32-38 now MW +... | ||
| Kenya | EAK | 38- | KE/KEN | |
| East Africa - Nyasaland, now Malawi (RPW3 p366) | EAN | 38-64 now MW | ||
| Tanzania-Tanganyika (2 Ovals, 1 ISO) | EAT | 38- | TZ/TZA | |
| Uganda | EAU | 38- | UG/UGA | |
| Tanzania-Zanzibar (2 Ovals, 1 ISO) | EAZ | 38- | TZ/TZA | |
| Ecuador | EC | 62- | EC/ECU | |
| Central African Empire (unofficial Oval list) | ECA | 76-79 | ||
| Ireland | EIR | 38-62 now IRL | ||
| Ireland (unofficial Oval seen in Ireland (black/red)) | EIRE | |||
| Ecuador | EQ | 52-62 now EC | ||
| El Salvador | ES | end 70s- | SV/SLV | |
| Estonia | EST | 93- | EE/EST | |
| Egypt | ET | 27- | EG/EGY | |
| Ethiopia | ETH | 64- | ET/ETH | |
| Estonia | EW | 30-40, 91-92 now EST | ||
| France | F | 10- | FR/FRA | |
| Fiji (unofficial Oval list) | FDI | |||
| French India, now in India | FIF | 25-30 now in IND | ||
| Finland | FIN | 93- | FI/FIN | |
| Fiji | FJI | 71- | FJ/FJI | |
| Liechtenstein | FL | 23- | LI/LIE | |
| Federate Malay States, now Malaysia | FM | 32-58 now MAL | ||
| Faroe Islands (RPW3 p203 & oval seen (O with a slash)) | FO | 96?- | FO/FRO | |
| Faroe Islands | FR | 76-96 ? Now FO | ||
| Gabon | G | 74- | GA/GAB | |
| Guatemala | G | 52-56 now GCA | ||
| United Kingdom | GB | 10- | GB/GBR | |
| Alderney (1 Oval, No ISO) | GBA | 24- | ||
| Guernsey | GBG | 24- | GG | |
| Jersey | GBJ | 24- | JY | |
| Isle of Man | GBM | 32- | IM | |
| Malta | GBY | 24-66 now M | ||
| Gibraltar | GBZ | 24- | GI/GIB | |
| Guatemala | GCA | 56- | GT/GTM | |
| Georgia | GE | 93- | GE/GEO | |
| Georgia | GEO | 93 now GE | ||
| Ghana | GH | 59- | GH/GHA | |
| Greece | GR | 13- | GR/GRC | |
| Guyana | GUY | 72- | GY/GUY |