Hydreigon-EX #62 from Roaring Skies is a holo holo_rare card that currently sells for about $4.94 ungraded, with graded copies ranging from $12.17 at grade 7 to $75.73 at grade 10. A grade 10 copy sells for around $75.73, about 15× the $4.94 raw price, so high-grade copies are worth grading.