Koraidon ex #231 from Scarlet & Violet is a holo ultra_rare card that currently sells for about $2.42 ungraded, with graded copies ranging from $6.00 at grade 7 to $50.00 at grade 10. A grade 10 copy sells for around $50.00, about 21× the $2.42 raw price, so high-grade copies are worth grading.