Lot of two cereal box flats. Both flats are 12x8.25" c. 1960s. The front panel features illustration of Lovable Truly and an advertising box noting the “Magic Package” offering on the back of the box. Back panel features a full color illustration advertising “Lovable Truly’s Magic Picture”. A series of different riddles were available on various boxes of Post cereals. One box flat features a Magic Picture and the other a Magic Message. Both flats are from the factory and never used, but exhibit partly solved activities. These were used to test them before wide distribution of the boxes. Flats are folded along center scored line o/w unused. Lt. margin aging, and Exc.