1948 ? Davis ( three - wheel engineering triumph ) Auto Brochure ( folder type) in Excellent Condition. Size 8 1/2 " x 11 " opens to 17 " x 22 " this brochure is very rare, the one I bought is the only one that I have ever seen. PS Put me on your favorite list. A lot more great old brochures coming up. Please check my feedback. PS I will enclose this rare brochure in a 4 Mil Mylar Sleeve for display and protection.