Wellspring Mask Ogerpon ex #152 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $17.00 ungraded, with graded copies ranging from $19.50 at grade 7 to $125 at grade 10. A grade 10 copy sells for around $125, about 7.4× the $17.00 raw price, so high-grade copies are worth grading.