6.25x8.25x2.25" deep, 8 oz. size full box from 1948 has front panel w/images of three of the "Colorful Decal Transfer In Every Package" w/side panel having same offer. Back panel has large illustration of "Freedom Train" picture book which was available for one Pep box top and 10¢. Coupon at lower right remains uncut. Box has some handling wear w/creases at corners and moderate but even aging. Fine. Comes w/16x22" single-sided color poster promoting book and Pep cereal. Shows inset scenes of Revolutionary War, signing of the Declaration of Independence, naval battle and raising of the flag at Iwo Jima. Folded as issued, poster has some moderate aging to vertical fold at center (top half only) w/some insect damage at top and bottom center margins along this fold. Despite this, sign remains bright and vibrant. Fine.