1.5x2.25" plastic frame has box-like area on the bottom which holds a small battery accessible by removing a single screw on the metal back cover which also includes a vertical pin. Piece has its original non-corroded battery so the high-relief baseball at front center no longer lights but might if a new battery of proper size was inserted. Front center design is accented by a die-cut thin plastic baseball bat. Bkg. is in metallic blue with silver star accents. Tiniest trace of dust soil on the yellow bkg. of the name label but nothing distracting and the piece still displays Exc. c. late 50s.