Hydreigon #99 from Legendary Treasures is a reverse holo holo_rare card that currently sells for about $3.55 ungraded, with graded copies ranging from $25.00 at grade 9 to $62.48 at grade 10. A grade 10 copy sells for around $62.48, about 18× the $3.55 raw price, so high-grade copies are worth grading.