Jolteon ★ #101 from Power Keepers is a holo holo_rare card that currently sells for about $591 ungraded, with graded copies ranging from $1,179 at grade 7 to $11,700 at grade 10. TCGrader's AI has graded 6 copies of Jolteon ★ (Power Keepers), averaging 6.5 overall. A grade 10 copy sells for around $11,700, about 20× the $591 raw price, so high-grade copies are worth grading.