12 Hours of Sebring

Car number 5, a Chevrolet Corvette, at the side of the track as car number 54, a Lotus Mark IX, drives past.

British Grand Prix

Crystal Palace Whitsun

Chris Summers drives car number 2, Cooper Monaco Chevrolet V8 and Rodney Bloor drives car number 12, Lotus-Climax 23.

French Grand Prix

Graham Hill (left ) with winged Lotus-Cosworth Type 49 in paddock - these two works team cars carried numbers 12 for Hill and 14 for new team-mate Jackie Oliver (taking the late Jim Clark's place)

Lime Rock Continental Championship

Cockpit of a Lotus 70 Chevrolet V8 driven by either Dick Smothers (car number 10) or George Wintersteen (car number 12).