B

      • Baden
      • Bahamas
      • Bahawalpur
      • Bahrain
      • Bamra
      • Bangladesh
      • Barbados
      • Barbuda Dependency of Antigua
      • Barwani
      • Bavaria
      • Belarus
      • Belgian Congo
      • Belgian Occupation of Germany
      • Belgium
      • Belize
      • Benin
      • Bergedorf
      • Bermuda
      • Bhopal
      • Bhor
      • Bhutan
      • Biafra
      • Bijawar
      • Bohemia and Moravia
      • Bolivia
      • Bophuthatswana
      • Bosnia-Herzegovina
      • Botswana
      • Boyaca
      • Brazil
      • Bremen
      • British Antarctic Territory
      • British Columbia
      • British East Africa
      • British Forces in Egypt
      • British Indian Ocean Territory
      • British Occupation of Italian Colonies
      • British Occupation in Eastern Arabia
      • British Post Offices Abroad
      • British Post Offices in China
      • British Post Offices in Crete
      • British Post Offices in Siam
      • British Virgin Islands
      • Brunei
      • Brunswick
      • Buenos Aires
      • Bulgaria
      • Bulgarian Occupation of Rumania
      • Bundi
      • Burkina Faso
      • Burma
      • Burundi
      • Bussa
      • Bussiahr