Iono #237 from Paldean Fates is a holo illustration_rare card that currently sells for about $28.04 ungraded, with graded copies ranging from $20.00 at grade 7 to $83.81 at grade 10. A grade 10 copy sells for around $83.81, about 3× the $28.04 raw price, so high-grade copies are worth grading.