Photos are varying in quality , many are amateur but then you do have the benefit of them being 'unseen' and including the real oddball entries such as re-engined ex F1 cars like the Lotus 43 , McLaren M19 and Ex Hesketh March 731 along with cars like the Begg, Crossle, Trojan, Lotus 70, and naturally a lot of Lola, McRae, McLaren and Chevron.