Acerola's Mischief #183 from Mega Evolution is a illustration_rare card that currently sells for about $26.59 ungraded, with graded copies ranging from $22.07 at grade 7 to $55.00 at grade 10. TCGrader's AI has graded 3 copies of Acerola's Mischief (Mega Evolution), averaging 8.2 overall. A grade 10 copy sells for around $55.00, about 2.1× the $26.59 raw price, so high-grade copies are worth grading.