All are 2.5x3.5" and issued in 1974. All sets are complete (including checklist cards) as issued w/any variants noted. All stickers have tan backs. 8th series: 30 stickers/nine cards (deep red back variants). A wrapper for the 8th series is also included. 9th series: 29 stickers (an odd number but complete set for this year) and nine cards. 10th series: 30 stickers/18 checklist cards (two different sets). Includes the "Pupsi-Cola" sticker that was removed from later printings. One set of checklist cards are variety w/this title listed, the other set has blank space where it was removed (one of these cards is penciled all others are unused). Lt. aging but all are NM/Mint.