See rare folder #1142 which offers this item. Badge is 1.5" tall in beautiful brass luster with dark red enamel paint. Text is at top and below Buck is portrayed beneath a pair of planets. Reverse has his facsimile "Buck Rogers" signature plus text "Awarded For Distinguished Achievement." The brochure #1142 describes this as "The Highest Honor Buck Rogers Can Bestow." It continues "A Chief Explorer Is The Scientific Head Of A Whole Expedition. He Is Even More Important Than A Spaceship Commander." To acquire the item, one had to "Eat Cream Of Wheat At Least Four Mornings A Week For Three Weeks. That's So You'll Be Sure To Have The Energy And Endurance That Chief Explorers Must Have. (1) Eat Cream of Wheat (2) Enclose A Cream Of Wheat Green Triangle (3) Enclose A 3-Cent Stamp To Cover The Cost Of Mailing Your Badge." An outstanding N. Mint example.