2-3/8" oval reading "February 40" with initials of the school artist "LS" along side his jacket. Unspecified but from Philadelphia area where high school graduating classes had a tradition of creating a button featuring a comic character. See the following twelve items. Reverse is metal covered with vertical bar pin and stamp of maker W&H. Very limited issue and only the second we've seen. Tiny surface wear marks only in reflected light. Displays Mint.