Chad reveals his latest eBay purchase and the influence basketball insert cards from the 1990s played in his decision.  2017-18 Panini Select Basketball Hobby Box Average 5 cards per pack, 12 packs per box, 12 boxes per case Phenomenon Base Card approximately 1:144 packs 3 Autographs or Memorabilia Cards per box 12 Prizm Parallels per box 10 Premier Level Base SP Card per box 2 Courtside Base SP Cards per box