Canada - 1967 - Five Cents - BU - Elizabeth Alexandra Mary Windsor was Queen of the United Kingdom and other Commonwealth realms from 1952 until 2022, reigning for over 70 years, the longest of any British monarch. Known for her devotion to service, she navigated decolonization, political change, and modernization of the monarchy while serving as Head of the Commonwealth. Her reign saw historic state visits, four jubilee celebrations, and enduring global popularity despite family challenges.