Gyarados #7 from Base Set 2 is a holo holo_rare card that currently sells for about $23.16 ungraded, with graded copies ranging from $57.50 at grade 7 to $1,450 at grade 10. TCGrader's AI has graded 6 copies of Gyarados (Base Set 2), averaging 7.2 overall. A grade 10 copy sells for around $1,450, about 63× the $23.16 raw price, so high-grade copies are worth grading.