Mew ex #100 from Holon Phantoms is a holo holo_rare card that currently sells for about $281 ungraded, with graded copies ranging from $1,200 at grade 7 to $33,786 at grade 10. TCGrader's AI has graded 5 copies of Mew ex (Holon Phantoms), averaging 6.3 overall. A grade 10 copy sells for around $33,786, about 120× the $281 raw price, so high-grade copies are worth grading.