Mega Heracross ex #4 from Phantasmal Flames is a holo rare card that currently sells for about $1.35 ungraded, with graded copies ranging from $10.50 at grade 9 to $34.95 at grade 10. A grade 10 copy sells for around $34.95, about 26× the $1.35 raw price, so high-grade copies are worth grading.