Omanyte [Reverse] #138 is a card from the Pokémon 151 Collect set, categorized as an Unknown rarity. Currently valued at $1.69, it is part of the expansive Pokémon trading card game, appealing to collectors seeking to complete their sets. The reverse holo feature adds a unique visual element, distinguishing it from its standard counterpart. Collectors may find this card appealing for its low price and contribution to the nostalgia of early Pokémon gameplay.