6.5x9" envelope has "Kellogg's Jumbly Jungle Book" return address but no recipient address and appears unused w/just lt. wear around edges. VF. Contains 6x8" softcover book printed in 1948 which opens to show four panels. Each of these panels has double-sided strips w/various parts of animals printed on them, which when overlayed onto panels, creates "Over 335 Animal Combinations!" NM. Comes w/16x20" store sign which pictures both the book's cover as well as blown-up portion of the book's interior. Sign has three aged tape strips at top and two at bottom margins. Folded as issued w/some handling wear from display including 16" crease along right which blends somewhat. Fine overall.