Gyarados ex #225 from Scarlet & Violet is a ultra_rare card that currently sells for about $7.50 ungraded, with graded copies ranging from $17.00 at grade 7 to $84.99 at grade 10. A grade 10 copy sells for around $84.99, about 11× the $7.50 raw price, so high-grade copies are worth grading.