[motornut]

I'd heard of these
Dagmar bumpers
Postwar Cadillacs began sporting missile pointed bumper elements with their 1946 models. Beginning with the 1951 models, stylists began lifting these bumper guards up into the grille work, however by 1953 their shape and detail began to take on a bullet motif with the tips of the element being scored in the manner in which a bullet casing is shaped


http://en.wikipedia.org/wiki/Dagmar_bumpers