Gengar #H9 from Skyridge is a holo holo_rare card that currently sells for about $3,858 ungraded, with graded copies ranging from $7,500 at grade 7 to $310,100 at grade 10. TCGrader's AI has graded 6 copies of Gengar (Skyridge), averaging 5.9 overall. A grade 10 copy sells for around $310,100, about 80× the $3,858 raw price, so high-grade copies are worth grading.