Gyarados δ #8 from Holon Phantoms is a holo holo_rare card that currently sells for about $194 ungraded, with graded copies ranging from $366 at grade 7 to $27,200 at grade 10. TCGrader's AI has graded 4 copies of Gyarados δ (Holon Phantoms), averaging 7.6 overall. A grade 10 copy sells for around $27,200, about 140× the $194 raw price, so high-grade copies are worth grading.