Mew ★ δ #101 from Dragon Frontiers is a holo holo_rare card that currently sells for about $2,398 ungraded, with graded copies ranging from $7,800 at grade 7 to $192,000 at grade 10. TCGrader's AI has graded 13 copies of Mew ★ δ (Dragon Frontiers), averaging 7.1 overall. A grade 10 copy sells for around $192,000, about 80× the $2,398 raw price, so high-grade copies are worth grading.