See previous item #1937. Pair of empty boxes are ©1965 and ©1968 Hanna-Barbera Productions Inc. Both boxes feature Flintstones characters, earlier box is just Flintstones and features full panel back offer for "The Frisky Kittens" premium pictures. Box has been opened as intended at top of left side panel and has moderate aging to box front but retains its shape nicely and is Fine/VF overall. Second box features Fred Flintstone on front and top panels and Huckleberry Hound on front and bottom panels has eight cut-out cards on back/side panels. This is Series B and cards include - Atom Ant, Secret Squirrel, Morocco Mole, Paw Rugg, Yellow Pinky, Winsome Witch, Chief Winchly and Precious Pupp. Box has been opened as intended at top of left side panel and shows some wear from use w/corner tip/edge rubs and corner creases. Fine.