M Mewtwo-EX #159 from BREAKthrough is a holo rare card that currently sells for about $88.00 ungraded, with graded copies ranging from $100 at grade 7 to $1,791 at grade 10. A grade 10 copy sells for around $1,791, about 20× the $88.00 raw price, so high-grade copies are worth grading.