Gengar & Mimikyu-GX #165 from Team Up is a holo rare card that currently sells for about $1,288 ungraded, with graded copies ranging from $1,226 at grade 7 to $6,610 at grade 10. A grade 10 copy sells for around $6,610, about 5.1× the $1,288 raw price, so high-grade copies are worth grading.