Koffing, a Common rarity card from the Ruby & Sapphire set, holds the collector's number 54. Currently valued at $0.46, it represents a basic Poison-type Pokémon known for its ability to release toxic gas. As a part of the early generation of Pokémon trading cards, Koffing appeals to collectors interested in the foundational sets of the franchise, particularly those focusing on the original 151 Pokémon. Its market presence remains steady among enthusiasts of the series.