Sabrina's Gengar #14 from Gym Heroes is a holo holo_rare card that currently sells for about $222 ungraded, with graded copies ranging from $325 at grade 7 to $7,379 at grade 10. TCGrader's AI has graded 8 copies of Sabrina's Gengar (Gym Heroes), averaging 6.6 overall. A grade 10 copy sells for around $7,379, about 33× the $222 raw price, so high-grade copies are worth grading.