Part of the design on the reverse was transferred to the obverse. it is called a clash mark. In the case of these Franklins, it made Ben look like he had bucked teeth like Bugs.
Don't the devil know why they called these 'Bugs Bunny'......they look more like Count Dracula.........
@LA_Geezer Now that you have your answer here is another one that you might say.. What? Hot Lips (Not my coins)