The entry list for Barons’ sale at Sandown Park on September 15 features an eclectic mix of cars spanning 10 decades. The sale is headlined by an extremely rare 1936 Alvis Speed 20 SD drophead coupé with Vanden Plas coachwork. One of five such examples built, just three are believed to still be in existence, and this is the only car of its type registered in the membership list of the Alvis Owner Club. Estimate: £100,000-£130,000.