Acerola's Mischief #165 from Mega Evolution is a ultra_rare card that currently sells for about $3.00 ungraded, with graded copies ranging from $9.00 at grade 7 to $38.00 at grade 10. A grade 10 copy sells for around $38.00, about 13× the $3.00 raw price, so high-grade copies are worth grading.