Blastoise & Piplup-GX #215 from Cosmic Eclipse is a holo rare card that currently sells for about $386 ungraded, with graded copies ranging from $281 at grade 7 to $2,600 at grade 10. A grade 10 copy sells for around $2,600, about 6.7× the $386 raw price, so high-grade copies are worth grading.