Original, 1957 Chevrolet color sales brochure/mailer. When completely open, it measures 10.5 x 13.75 with 8 pages. It is an invitation to come in for a test drive of a new car, and promotes the Go Places in Chevrolet's Lucky Traveler Contest.  Cars in photographs include Bel Air Convertible, Sport Sedan, Townsman wagon, and contest rules and entry form.