Wellspring Mask Ogerpon ex #27 from Prismatic Evolutions is a holo rare card that currently sells for about $1.67 ungraded, with graded copies ranging from $13.43 at grade 9 to $47.77 at grade 10. A grade 10 copy sells for around $47.77, about 29× the $1.67 raw price, so high-grade copies are worth grading.