Iono #237 from Paldean Fates is a illustration_rare card that currently sells for about $23.23 ungraded, with graded copies ranging from $21.12 at grade 7 to $68.00 at grade 10. A grade 10 copy sells for around $68.00, about 2.9× the $23.23 raw price, so high-grade copies are worth grading.