The Happiny Reverse Holo Card 52/123 from the Mysterious Treasures set is a Colourless Pokémon card manufactured by The Pokémon Company in 2007. This collectable card, featuring the character Happiny with 60 HP, is part of the Pokémon Trading Card Game. With a standard card size and made of card stock, this English language card has a special stamped feature and a unique Reverse Holo finish, making it a desirable addition for collectors and fans of the game. Illustrated by Yuka Morii, this uncommon card is a must-have for any Pokémon TCG enthusiast.