Darkrai-GX #88a from Burning Shadows is a holo holo_rare card that currently sells for about $19.31 ungraded, with graded copies ranging from $9.99 at grade 7 to $2,508 at grade 10. A grade 10 copy sells for around $2,508, about 130× the $19.31 raw price, so high-grade copies are worth grading.