Gengar & Mimikyu-GX #164 from Team Up is a holo rare card that currently sells for about $330 ungraded, with graded copies ranging from $322 at grade 7 to $2,500 at grade 10. TCGrader's AI has graded 5 copies of Gengar & Mimikyu-GX (Team Up), averaging 7.1 overall. A grade 10 copy sells for around $2,500, about 7.6× the $330 raw price, so high-grade copies are worth grading.