Vintage Headlamp Restoration International
Marchal CE109 Headlamp
The Marchal CE109 Headlight unit. This lamp is available in two versions. Version one is housed in a back bucket via a spring retainer (top pictures). Version two is housed in a back bucket via a "clip-in" system (bottom pictures).
Also available is a Sports version with polyurethane lenses designed for racing enthusiasts. This lens can be dropped from a height of 6 foot without breaking.
See below for more details
Racing Polyurethane Edition
Spring
Retained Unit 
Marchal CE109 with spring retailned unit to fit the buckets pictured below
Marchal CE109 rear view
Back bucket for the spring retained lamp unit
Spring retainer on the left hand side of the bucket.
Clip-in Unit
Marchal CE109 with clip in lamp unit
Rear view
Back bucket for the "clip-in" lamp above