Dark Gyarados #8 from Team Rocket is a 1st edition holo holo_rare card that currently sells for about $155 ungraded, with graded copies ranging from $184 at grade 7 to $5,500 at grade 10. TCGrader's AI has graded 5 copies of Dark Gyarados (Team Rocket), averaging 7.7 overall. Only 20% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $5,500, about 36× the $155 raw price, so high-grade copies are worth grading.