M Mewtwo-EX #159 from BREAKthrough is a holo rare card that currently sells for about $96.61 ungraded, with graded copies ranging from $108 at grade 7 to $2,610 at grade 10. A grade 10 copy sells for around $2,610, about 27× the $96.61 raw price, so high-grade copies are worth grading.