5.75x7.25x1.75" deep die-cut window box has Superman and Supergirl graphics on four sides. Kohner Bros. Inc. set No. 191U. ©1966 NPP, Inc./©1968 Wrather Corp. "Try Us In The Box" below window w/die-cut holes at bottom and on back to activate puppets. Back features graphics of 13 sets in series including Hanna-Barbera characters and Popeye and Olive Oyl. Box remains factory-sealed w/staple as issued. Box shows some moderate handling wear w/rubs and slight fade. Lower right corner has spot of surface paper lift from price sticker removal. Heavy creasing to right side panel. Window is mostly loose but remains affixed at upper left and has small area of denting by Supergirl. Box is VG/Fine. Boxed figures show some lt. age but are o/w Exc. as sealed. Rare.