Naganadel & Guzzlord-GX #260 from Cosmic Eclipse is a holo rare card that currently sells for about $25.88 ungraded, with graded copies ranging from $18.02 at grade 7 to $130 at grade 10. A grade 10 copy sells for around $130, about 5× the $25.88 raw price, so high-grade copies are worth grading.