Marshadow & Machamp-GX #221 from Unbroken Bonds is a holo rare card that currently sells for about $60.40 ungraded, with graded copies ranging from $46.00 at grade 7 to $610 at grade 10. A grade 10 copy sells for around $610, about 10× the $60.40 raw price, so high-grade copies are worth grading.