Ho-Oh-GX #21 from Burning Shadows is a holo holo_rare card that currently sells for about $4.02 ungraded, with graded copies ranging from $9.50 at grade 7 to $59.00 at grade 10. A grade 10 copy sells for around $59.00, about 15× the $4.02 raw price, so high-grade copies are worth grading.