Raging Bolt ex #166 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $67.90 ungraded, with graded copies ranging from $47.50 at grade 7 to $227 at grade 10. A grade 10 copy sells for around $227, about 3.3× the $67.90 raw price, so high-grade copies are worth grading.