The Pokemon TCG Diamond & Pearl Professor Rowan Supporter card (112/130) is a standard-sized collectible card featuring the character Professor Rowan from the Pokemon universe. Manufactured by Nintendo in 2007, this English-language card is part of the Diamond & Pearl set and illustrated by Ken Sugimori. The card is designed with a holographic finish, making it a valuable addition to any Pokemon TCG collection for fans aged 6 and up.