Gyarados #34 from Evolutions is a holo holo_rare card that currently sells for about $8.00 ungraded, with graded copies ranging from $21.69 at grade 7 to $2,700 at grade 10. TCGrader's AI has graded 4 copies of Gyarados (Evolutions), averaging 7.8 overall. A grade 10 copy sells for around $2,700, about 338× the $8.00 raw price, so high-grade copies are worth grading.