The Retro Packs 🔥: 1990 Fleer Baseball Cello sealed Pack offers collectors a vintage set of Major League Baseball cards from the year 1990. This pack includes 33 standard-sized cards and 3 stickers featuring players like Don Mattingly and Mickey Tettleton from teams like the New York Yankees and Baltimore Orioles. The cards are made of card stock and come in a pack configuration, perfect for fans looking to add a piece of baseball history to their collection.