Wellspring Mask Ogerpon ex #152 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $16.01 ungraded, with graded copies ranging from $19.50 at grade 7 to $94.50 at grade 10. A grade 10 copy sells for around $94.50, about 5.9× the $16.01 raw price, so high-grade copies are worth grading.