By Mark Watts. Size: 9.5" x 7.5" Matted to 11" x 14". Fits a standard frame. Large size matted to 16" x 20". e=mc2 on the front license plate reminds us that one of Einstein's great insights was to realize that matter and energy are really different forms of the same thing. In this scene: the first production Cadillac Eldorado was inspired by a '52 show car based on the Series 62 Convertible. 532 have been built.