Issued by the United Nations Postal Administration in 1967, this vivid 8-cent stamp commemorates the United Nations Pavilion at Expo 67, held in Montreal, Canada. The design, bursting with color, depicts a modernist structure surrounded by the flags of member nations, symbolizing global unity and cooperation. The rainbow backdrop evokes international harmony and the UN’s mission of peace. Expo 67, themed “Man and His World,” showcased human progress and optimism during the height of the 20th century’s international exhibitions.