History of the Postal Service : Railway, Zeppelin (Laos 1975)

Souvenir Sheet History of the Postal Service : Railway, Zeppelin it reflects the thematic directions:

The Universal Postal Union (UPU, French: Union postale universelle) is a specialized agency of the United Nations (UN) that coordinates postal policies among member nations and facilitates a uniform worldwide postal system. It comprises 192 member states and is headquartered in Bern, Switzerland

Railways - Transportation system made up of metal rails which is designed to allow trains to maneuver on the tracks from one location to the next.

Transport or transportation is the movement of people, animals and goods from one location to another. Modes of transport include air, rail, road, water, cable, pipeline and space. The field can be divided into infrastructure, vehicles and operations. Transport is important because it enables trade between people, which is essential for the development of civilizations.