This 1975 French commemorative stamp features the Pont de Saint-Nazaire, the iconic cable-stayed bridge spanning the Loire estuary. Rendered in crisp blue-green engraving, the design highlights the bridge’s sweeping modernist profile with passing ships beneath, symbolizing the region’s maritime importance. Issued during a period of major French infrastructural development, the stamp is admired for its clean lines, technical precision, and strong thematic appeal to collectors of architecture, bridges, and French engineering history.