1986 Sports Illustrated Poster Stickers Test Issue Multi-Sport Forum

From the Mattingly checklist I have, there is a mini-poster non-sticker set and two sticker sets described as "wet and stick adhesive back (slightly gray)" and "cardstock; smaller in size".  So, I think there is a missing non-sticker set and possibly there should be another sticker set.  From the photos uploaded here there are clearly two different types of backs for the stickers.