Original, 1957 Dodge truck Power Advantage sales folder/mailer.  Two-sided printing on one sheet of paper, when opened measures 17 x 12 inches. Compares the engines in the "D" series* Dodges to Chevrolet and Ford trucks. With photography from a "Hulcher 70" camera.  "D" Series 100-900 (low-, medium-, and high-tonnage). Dealer stamp on front and back cover.  Otherwise, very good condition.