Arceus & Dialga & Palkia-GX #220 from Cosmic Eclipse is a holo rare card that currently sells for about $59.33 ungraded, with graded copies ranging from $37.85 at grade 7 to $810 at grade 10. A grade 10 copy sells for around $810, about 14× the $59.33 raw price, so high-grade copies are worth grading.