Spearow #151 from Mega Evolution is a holo illustration_rare card that currently sells for about $4.81 ungraded, with graded copies ranging from $11.00 at grade 7 to $45.00 at grade 10. A grade 10 copy sells for around $45.00, about 9.4× the $4.81 raw price, so high-grade copies are worth grading.