Gyarados ★ δ #102 from Holon Phantoms is a holo holo_rare card that currently sells for about $2,879 ungraded, with graded copies ranging from $7,700 at grade 7 to $18,247 at grade 10. TCGrader's AI has graded 11 copies of Gyarados ★ δ (Holon Phantoms), averaging 6.5 overall. A grade 10 copy sells for around $18,247, about 6.3× the $2,879 raw price, so high-grade copies are worth grading.