Marshadow & Machamp-GX #199 from Unbroken Bonds is a holo rare card that currently sells for about $186 ungraded, with graded copies ranging from $39.02 at grade 7 to $501 at grade 10. A grade 10 copy sells for around $501, about 2.7× the $186 raw price, so high-grade copies are worth grading.