Eevee ex #167 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $155 ungraded, with graded copies ranging from $140 at grade 7 to $490 at grade 10. TCGrader's AI has graded 16 copies of Eevee ex (Prismatic Evolutions), averaging 8.5 overall. 44% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $490, about 3.2× the $155 raw price, so high-grade copies are worth grading.