Mewtwo-GX #78 from Shining Legends is a rare card that currently sells for about $733 ungraded, with graded copies ranging from $761 at grade 7 to $2,050 at grade 10. TCGrader's AI has graded 46 copies of Mewtwo-GX (Shining Legends), averaging 7.6 overall. Only 9% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $2,050, about 2.8× the $733 raw price, so high-grade copies are worth grading.