The combined grid of the British Monoposto Racing Club and F3 Cup. The Monoposto Racing Club organizes low cost single seater racing for club racers and is open to single seaters such as Anson SA4, Dallara F300, Dallara F393, Jamun M97Z, Jedi Mk6, Merlyn Mk11A, Merlyn Mk20, Mygale Novis, OMS 2000M, Ralt RT3, Ray GR2002, Reynard 85F, Reynard 903, Rondeau M584, Swift SC97Z, Swift DB-6, Royale RP 24, Lola T200, Vauxhall Lotus, etc. The Formula 3 category was created in the United Kingdom after the 2nd World War. The series was replaced in 1958 by the Formula Junior cars but handed up to date in 1964 featuring cars as Dallara’s, Lola’s, Mygale’s etc.
More here:
http://www.motorsportretro.com/2014/07/spectacular-spa-summer-classic-2014/
http://en.wikipedia.org/wiki/Monoposto_Racing_Club