Mega Abomasnow ex #157 from Mega Evolution is a ultra_rare card that currently sells for about $3.25 ungraded, with graded copies ranging from $16.02 at grade 9 to $34.90 at grade 10. A grade 10 copy sells for around $34.90, about 11× the $3.25 raw price, so high-grade copies are worth grading.