Team Rocket's Mewtwo ex #281 from Ascended Heroes is a holo illustration_rare card that currently sells for about $259 ungraded, with graded copies ranging from $184 at grade 7 to $565 at grade 10. TCGrader's AI has graded 8 copies of Team Rocket's Mewtwo ex (Ascended Heroes), averaging 8.9 overall. 75% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $565, about 2.2× the $259 raw price, so high-grade copies are worth grading.