Jolteon #20 from Jungle is a holo rare card that currently sells for about $9.99 ungraded, with graded copies ranging from $24.55 at grade 7 to $250 at grade 10. TCGrader's AI has graded 3 copies of Jolteon (Jungle), averaging 6.7 overall. A grade 10 copy sells for around $250, about 25× the $9.99 raw price, so high-grade copies are worth grading.