Tunnel of Choum

Issued in 1965, this stamp commemorates the Tunnel of Choum, a notable engineering feature of the Mauritania Railway, constructed to facilitate the transportation of iron ore from the mining region of Zouérat to the Atlantic port of Nouadhibou. Located near the town of Choum in northern Mauritania, the tunnel became an important symbol of the country's industrial and transportation infrastructure during a period of economic development driven by its mining industry.

By featuring the Tunnel of Choum, the Islamic Republic of Mauritania highlighted the importance of transportation networks in supporting national development and international trade. The issue celebrated a major engineering achievement and emphasized the role of rail infrastructure in connecting remote regions, promoting economic growth, and facilitating the export of Mauritania's natural resources.