Automotive vehicle lighting unit, bearing identifying information

Light unit (projection headlamp) for a motor vehicle comprises a light source (28) having a reflector (32), and an essentially plano-convex projection lens (20) having a planar side (46) facing the light source and provided in a central region with an identification mark. Preferred Features: The projection lens is arranged a distance behind a transparent cover (24). The identification mark is a sign, emblem, etc. and is mirror-symmetrical.