Eevee #188 from Twilight Masquerade is a illustration_rare card that currently sells for about $69.00 ungraded, with graded copies ranging from $47.75 at grade 7 to $251 at grade 10. TCGrader's AI has graded 17 copies of Eevee (Twilight Masquerade), averaging 8.8 overall. 59% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $251, about 3.6× the $69.00 raw price, so high-grade copies are worth grading.