Auxiliary headlight: Fog headlight small, type Marchal 640. Optically like original. Universal fitting

This headlamp was an original related accessory for Citroen 11CV. Diameter: 140mm. The case is chromium-plated and made of metal. Without "E" test character! Suitable bulb 12 Volt= 14415, 14418, 14417. Bulb 6 V = 14178