Mew - 53/108 (League Challenge) is a Holofoil variant from the League & Championship Cards set, classified as Promo rarity. Currently valued at $134.27, the card has experienced an 8.3% decline in price over the past 24 hours. With 273 copies graded by PSA and a gem rate of 10.6% (PSA 10), this card holds a notable position among collectors, reflecting both its popularity and the competitive nature of the market.