From 1961 and issued by same company as the rare insert cards, see store sign item #2646. Each is a 10.75x15" cardboard "Tray" that assembles to hold "6 Lunch Packs." Printed on side panels is Bell promotional text while underside surface of each has two different 4x5" pictures to be cut and colored. This is a complete set of six flats comprising the set of 12 different pictures featuring Crusader Rabbit characters. These are identical images to the aforementioned insert card set. Each has lt. edge wear as flattened and trace of age toning. VF. Rare, especially as a complete/unused set. The only such set we have offered in our 46 years.