Wellspring Mask Ogerpon ex #213 from Twilight Masquerade is a holo illustration_rare card that currently sells for about $13.49 ungraded, with graded copies ranging from $12.76 at grade 7 to $40.13 at grade 10. A grade 10 copy sells for around $40.13, about 3× the $13.49 raw price, so high-grade copies are worth grading.