This MLB Baseball 75 Card LOT features a mix of rookie cards, inserts, and refractors from various sets such as Topps Chrome, mosaic . With a total of 78 cards included, this collection showcases players from teams like the Athletics, Padres, and Nationals. Manufactured by Topps in the United States, these standard-sized trading cards are made of card stock and paper materials, making them a valuable addition to any baseball card collection.