Leafeon ex #144 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $269 ungraded, with graded copies ranging from $238 at grade 7 to $750 at grade 10. TCGrader's AI has graded 16 copies of Leafeon ex (Prismatic Evolutions), averaging 8.9 overall. 75% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $750, about 2.8× the $269 raw price, so high-grade copies are worth grading.