Hydreigon-EX #62 from Roaring Skies is a holo holo_rare card that currently sells for about $5.37 ungraded, with graded copies ranging from $12.00 at grade 7 to $3,000 at grade 10. A grade 10 copy sells for around $3,000, about 559× the $5.37 raw price, so high-grade copies are worth grading.