Look at the fake face in the second panel. What would you guess the year would be based on auto's in the background. Are 1930's sedans currently being made (right side) with square bodies?
Think the cptr can be rendered 3d in 2d on a sidewalk?
I seen these before and wondered about them, perhaps Nickle is right, they seem to good to be true - also that site mentioned seems to be a bit of a jokester.