The Professor Oak Trainer card is part of the 1996 Japanese Pokemon Expansion Pack, making it a vintage collectible card from the Pokemon franchise. This uncommon card features Professor Oak as the character, illustrated by Ken Sugimori on standard-sized card stock. Manufactured by Media Factory in Japan, this Trainer card is a must-have for collectors and players of Pokemon Trading Card Game. With its unique design and rarity, this Professor Oak Trainer card is a valuable addition to any Pokemon card collection.