Gyarados #7 from Base Set 2 is a holo holo_rare card that currently sells for about $26.50 ungraded, with graded copies ranging from $38.51 at grade 7 to $3,750 at grade 10. TCGrader's AI has graded 7 copies of Gyarados (Base Set 2), averaging 7.2 overall. A grade 10 copy sells for around $3,750, about 142× the $26.50 raw price, so high-grade copies are worth grading.