Unown [Z] is a Reverse Holofoil variant from the Secret Wonders set, classified as an Uncommon rarity and numbered 72. Currently valued at $5.77, this card has seen a notable increase of 28.2% in market value over the past 30 days. As part of the Unown series, it appeals to collectors looking to complete their sets or focus on unique Pokémon designs. Its recent appreciation reflects heightened interest in specific cards from this era.