FRENCH REAR LIGHT by "Dynamo Grada" of Paris - quality brass light with red glass lens( and side lens) diameter of main lens 8cms. Glass in good order - no cracks. Light has screw on bracket. Light could be converted to side light using clear glass.
Brass light made by Joseph Lucas, Birmingham/ England. Brass carbide "Aceta" light for small motorcyle or pedal bike. Round "chimney" and outer rim have some dents. Glass needs to be remade. Quite restorable light.