Gengar & Mimikyu-GX #164 from Team Up is a holo rare card that currently sells for about $243 ungraded, with graded copies ranging from $315 at grade 7 to $1,800 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 $1,800, about 7.4× the $243 raw price, so high-grade copies are worth grading.