Groudon #49 from Prismatic Evolutions is a reverse holo rare card that currently sells for about $0.09 ungraded, with graded copies ranging from $8.31 at grade 9 to $38.27 at grade 10. A grade 10 copy sells for around $38.27, about 425× the $0.09 raw price, so high-grade copies are worth grading.