All are c. 1949-1950. Three are Pepsi-Cola items. Includes 8x19.25" store sign promoting "Pepsi's Radio Thriller!", 5.75x8.75" member certificate, 6.25x13.75" ad offer for "Junior Agent Badge" in Sunday comic strip page. Comes with ad offered badge, a 1.25x2" brass badge that has clear plastic window over image of agent David Harding. Image no longer glows in dark. Badge has serial No. 208285. Next is 1.5x4-3/8" flat sample match pack cover promoting Counter-Spy sponsored by Bit-O-Honey and Old Nick. Has text promoting radio station WNBH in Massachusetts. Final item is 8x10" publicity photo of Don MacLaughlin as Counter-Spy David Harding. Reverse side has ink stamp date of Jan 1951 with imprint for radio station KOAM. Certificate has handling folds as mailed, photo has a few lt. handling creases just visible in reflected light. Group is overall Fine/VF. The radio show aired between 1942 and 1957 with Counter-Spy fighting Axis enemies during the war and other security threats once the war was won.