The Professor Birch 89/109 Ruby and Sapphire Reverse Holo CGC 10 card is a vintage Pokémon TCG collectible card featuring the character Professor Birch. This English-language card, illustrated by Ken Sugimori and manufactured by The Pokémon Company, has a rarity level of Uncommon and a grade of 10 from Certified Guaranty Company (CGC). The card is made of card stock and has a standard size, with a unique reverse holo finish that adds to its appeal for collectors and fans of the game.