Iono #237 from Paldean Fates is a holo illustration_rare card that currently sells for about $24.87 ungraded, with graded copies ranging from $21.21 at grade 7 to $63.75 at grade 10. A grade 10 copy sells for around $63.75, about 2.6× the $24.87 raw price, so high-grade copies are worth grading.