Psyduck from the Pokémon Promo set is an Unknown rarity card, numbered #7 in the series. Currently valued at $8.82, it appeals to collectors due to its nostalgic connection to the franchise and its distinctive artwork. As a part of the promotional releases, this card holds significance within the market, particularly among fans who appreciate the unique offerings outside the main series sets. Graded copies may command higher prices, reflecting demand among enthusiasts.