Rober Crumb has given us so many classic images in the 60s. Some are so very classic , we even take them for granted. The Keep On Truckin' image is just such an example. To see it in its full glory in black light is absolutely magical. It hasn't changed even a little bit since the 60s. It's just as vibrant, just as fun, just as inspirational. Measures 35" by 23".