Original production cel used to create the animation on the hit Adult Animated series, The Simpsons, featuring guest character baseball star Ozzie Smith.  The cel is oversized measuring 16.5" L x 10.5" H.  But this is a very rare find.  Smith appeared on the episode, "Homer at the Bat" which aired in February of 1992 in the third season of the series.  We are not aware that Smith appeared on any other episodes.