Lillie's Determination #169 from Mega Evolution is a holo ultra_rare card that currently sells for about $20.50 ungraded, with graded copies ranging from $15.00 at grade 7 to $61.00 at grade 10. TCGrader's AI has graded 6 copies of Lillie's Determination (Mega Evolution), averaging 8.3 overall. 33% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $61.00, about 3× the $20.50 raw price, so high-grade copies are worth grading.