The product is a 1999 Pokemon Base Set Unlimited #51 Koffing card graded as CGC 9 by Certified Guaranty Company (CGC). This card belongs to the Pokemon Trading Card Game set from 1999 and features the character Koffing. As a graded card, it holds value for collectors and enthusiasts of the Pokemon series looking for cards in mint condition. With its blue label indicating a high grade, this Koffing card is a sought-after item in the Pokemon TCG market.