Rayquaza δ #16 from Holon Phantoms is a holo holo_rare card that currently sells for about $160 ungraded, with graded copies ranging from $624 at grade 7 to $18,100 at grade 10. TCGrader's AI has graded 7 copies of Rayquaza δ (Holon Phantoms), averaging 5.9 overall. A grade 10 copy sells for around $18,100, about 113× the $160 raw price, so high-grade copies are worth grading.