The countries written so far.

No pack yet. Each has a page that says where it stands, and how to ask for it or write it.

Africa

Algeria, Angola, Botswana, British Indian Ocean Territory, Burundi, Cape Verde, Djibouti, Egypt, Eritrea, Eswatini, Ethiopia, French Southern Territories, Gambia, Ghana, Kenya, Lesotho, Liberia, Libya, Madagascar, Malawi, Mauritania, Mauritius, Mayotte, Morocco, Mozambique, Namibia, Nigeria, Réunion, Rwanda, São Tomé & Príncipe, Seychelles, Sierra Leone, Somalia, South Africa, South Sudan, St. Helena, Sudan, Tanzania, Tunisia, Uganda, Western Sahara, Zambia, Zimbabwe

Americas

Anguilla, Antigua & Barbuda, Argentina, Aruba, Bahamas, Barbados, Belize, Bermuda, Bolivia, Bouvet Island, Brazil, British Virgin Islands, Canada, Caribbean Netherlands, Cayman Islands, Chile, Colombia, Costa Rica, Cuba, Curaçao, Dominica, Dominican Republic, Ecuador, El Salvador, Falkland Islands, French Guiana, Greenland, Grenada, Guadeloupe, Guatemala, Guyana, Haiti, Honduras, Jamaica, Martinique, Montserrat, Nicaragua, Panama, Paraguay, Peru, Puerto Rico, Sint Maarten, South Georgia & South Sandwich Islands, St. Barthélemy, St. Kitts & Nevis, St. Lucia, St. Martin, St. Pierre & Miquelon, St. Vincent & Grenadines, Suriname, Trinidad & Tobago, Turks & Caicos Islands, U.S. Virgin Islands, Uruguay, Venezuela

Asia

Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, Brunei, Cambodia, China, Cyprus, Georgia, India, Indonesia, Iran, Iraq, Israel, Jordan, Kazakhstan, Kuwait, Kyrgyzstan, Laos, Lebanon, Macao SAR China, Malaysia, Maldives, Mongolia, Myanmar (Burma), Nepal, North Korea, Oman, Pakistan, Palestinian Territories, Philippines, Qatar, Sri Lanka, Syria, Tajikistan, Timor-Leste, Türkiye, Turkmenistan, Uzbekistan, Yemen

Europe

Åland Islands, Albania, Andorra, Belarus, Bosnia & Herzegovina, Bulgaria, Croatia, Czechia, Denmark, Faroe Islands, Finland, Gibraltar, Greece, Guernsey, Hungary, Iceland, Isle of Man, Jersey, Latvia, Liechtenstein, Lithuania, Malta, Moldova, Monaco, Montenegro, North Macedonia, Norway, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, Svalbard & Jan Mayen, Sweden, Ukraine, Vatican City

Oceania

American Samoa, Christmas Island, Cocos (Keeling) Islands, Cook Islands, Fiji, French Polynesia, Guam, Heard & McDonald Islands, Kiribati, Marshall Islands, Micronesia, Nauru, New Caledonia, Niue, Norfolk Island, Northern Mariana Islands, Palau, Papua New Guinea, Pitcairn Islands, Samoa, Solomon Islands, Tokelau, Tonga, Tuvalu, U.S. Outlying Islands, Vanuatu, Wallis & Futuna