• Year of manufacture 
  • Motorcycle type 
  • Engine number 
  • Lot number 
  • Condition 
  • Colour  
  • Location


Property of a deceased's estate
1956 Vincent 499cc Comet Series-C/D
Registration no. SYL 227
Frame no. RC/D 12536
Engine no. F5AB/3A/10636

Rear frame no. RC/D 12536

Acquired by the deceased owner in February 1974, the exceptionally rare Vincent offered here is one of only three Series C/D Comets made; that is to say: it has a Series D engine (one of only five Series D singles made) and a Series C frame and cycle parts. The machine was first registered (in London) on 23rd July 1956 as 'SYL 227'. The rear frame has clearly been re-stamped; however, we are advised by the Vincent Owners Club that this has been done by the Vincent factory. The stamping font is not the usual type but is exactly the same as that used on the pre-war Series A models. Also, when this machine was made, Series C production had been stopped for a year, so the parts used were probably old stock or spares, which were re-stamped to suit the Series C/D designation and match the engine.

The other surviving Series C/D single has exactly the same style of stamping and font. Last taxed to the end of December 1980, the machine is offered with a photocopy of an old-style logbook. An exciting restoration project for the Vincent collector.

Bonhams 1793
101 New Bond Street
United Kingdom
Contact Person Kontaktperson
First name 
Bonhams Collectors’ Car department