1912 Packard 6 touring car on prairie during promotional trip from Pennsylvania to Wyoming

8x10 black and white Packard Co. file photograph of a 1912 Packard 6 on prairie road, three male passengers, sign on back of car reads "Packard 6 Johnstown, Pa. to Jackson Hole, Wyo.," handmade, wooden road sign reads "Road to Diamond Peak and Boulder Ridge, Laramie River, North Park, Road to Laramie." Inscribed on photo back: 6-cylinder, 48-horsepower, 133-inch wheelbase, 7-person touring car, fitted with standard top, Packard storm-tilt windshield, rear mounted carrier for two additional spare…