6.75x8.75x2.25" "Large Economy Size" box for "Post's 40% Bran Flakes." Waxed paper wrapper around original cardboard box. 1951. Front features image at lower left of Hoppy w/guns drawn and text "Hopalong Cassidy Wild West Trading Card In This Package." Entire back promotes this premium card issue noting there were 36 in the set and includes image of Hoppy holding cards. Along the bottom are five images of different cereal boxes also promoting these cards, four w/different Hoppy images and one featuring the Sugar Crisp Bears. One side panel includes image of this very cereal box w/Hoppy image. Top flaps/wrapper missing. All else complete and intact but w/obvious aging of the wrapper and wear at corners. Some creases/ripples. VG. Filled w/cardboard and shrink-wrapped so ready for display. Rare and a must-have for anyone who collects these cards.