This street-legal Egli-Vincent Comet is for sale in France. It was built with a 1951 Comet 500cc engine and a rolling chassis that has top-notch components:
The frame and swinging arm (nickel plated) was built by Cyril Malem (CTG). the Borrani rims are wired with stainless Steel spokes on Dunlop K81 tyres. The front fork is a Ceriani GP. Brakes Fontana front brake 4LS (magnesium). Alloy control levers. Vincent Rear hub (alloy). 5” Vincent Black Shadow tachometer. 3” speedometer (Smith replica) with MPH scale. Banana tank (fiberglass) with internal resin treatment and aluminum Monza cap. Fiberglass seat. All the fasteners are Stainless Steel.
Owner says the bike is 100% operating and immaculate. Asking price is 25,500£ (28,500€). Possibility to trade-in a Vincent Rapide (C series).
Contact: alain.brachet@arcelormittal.com
The Egli-Vincent 
I take it this sold ages ago?
You can try contact the owner. I know he did not sell it at that time then it went t a broker place.