There were several Lotuses in the field for the Thoroughbred Grand Prix Championship race at the SeeRed meeting at Donington Park in September 2006 and here are photographs of two of them.
This is a 1982 Lotus 91 in the pit garage
The Lotus 91 driven by Dan Collins during a practice session followed by the 1977 Ensign N177 of John Crowson and the 1978 Williams FW06 of Tony Smith
Dan Collins again during the practice session
The 1976 Lotus 77 of Chris Locke, again during the practice session