Hearthflame Mask Ogerpon ex #148 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $18.56 ungraded, with graded copies ranging from $27.50 at grade 9 to $77.00 at grade 10. A grade 10 copy sells for around $77.00, about 4.1× the $18.56 raw price, so high-grade copies are worth grading.