Jolteon #20 from Jungle is a rare card that currently sells for about $10.26 ungraded, with graded copies ranging from $30.00 at grade 7 to $600 at grade 10. TCGrader's AI has graded 3 copies of Jolteon (Jungle), averaging 6.7 overall. A grade 10 copy sells for around $600, about 59× the $10.26 raw price, so high-grade copies are worth grading.