Hearthflame Mask Ogerpon ex #148 from Prismatic Evolutions is a holo illustration_rare card that currently sells for about $17.24 ungraded, with graded copies ranging from $33.03 at grade 9 to $105 at grade 10. TCGrader's AI has graded 7 copies of Hearthflame Mask Ogerpon ex (Prismatic Evolutions), averaging 8.7 overall. 43% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $105, about 6.1× the $17.24 raw price, so high-grade copies are worth grading.