Blacephalon-GX #52 from Lost Thunder is a reverse holo holo_rare card that currently sells for about $7.72 ungraded, with graded copies ranging from $22.00 at grade 9 to $62.50 at grade 10. A grade 10 copy sells for around $62.50, about 8.1× the $7.72 raw price, so high-grade copies are worth grading.