Dark Gyarados #8 from Team Rocket is a holo holo_rare card that currently sells for about $50.27 ungraded, with graded copies ranging from $77.14 at grade 7 to $170 at grade 10. TCGrader's AI has graded 13 copies of Dark Gyarados (Team Rocket), averaging 7.5 overall. A grade 10 copy sells for around $170, about 3.4× the $50.27 raw price, so high-grade copies are worth grading.