Mega Mawile ex #162 from Mega Evolution is a holo ultra_rare card that currently sells for about $2.60 ungraded, with graded copies ranging from $23.00 at grade 9 to $44.99 at grade 10. A grade 10 copy sells for around $44.99, about 17× the $2.60 raw price, so high-grade copies are worth grading.