10x13-3/8" overall thin cardboard carton #230 has ink date stamp at lower left of side flap "Aug 15 1966." Box front has art image of Yogi Bear making a muscle with photo of cereal bowl in foreground. Reverse side has wonderful graphics with Batman holding periscope which has image of the Joker in window saying "Wow! Batman Periscope Only 60¢ Kids! Secretly Spy Over Walls And Around Corners Without Anyone Seeing You!" Left side has ©1966 National Periodicals Publications Inc. Right side includes text "Its Just Like Batman Uses To Craftily Catch His Evil Enemies Doing Dastardly Deeds" and has coupon at lower right noting combination of coins and box tops required. Unused flat has been lightly folded along vertical scored center line but still unused and N. Mint. This is a file copy. This rare box is listed in Hake's Official Price Guide To Pop Culture Memorabilia book with a N. Mint value of $2000.00. Incredible condition, great for display.