You know, the car to the right is a late "T", a 1926 or 1927, which had different design features than all those that came before it. Most notably, the gas tank was moved to the cowl, and there is a flap or door in front of the windshield on these to add gas. They also have a headlight bar, which the pre 26's did not. The rear car gives away the fact the photo cannot be 1917. Add to that the observation that the paint is no longer shiny, and the fender is banged up, and I'll bet this photo is of a car at least 3 or 4 years old. So the photo must be the 1930's!