Mega Heracross ex #4 from Phantasmal Flames is a holo rare card that currently sells for about $1.16 ungraded, with graded copies ranging from $10.24 at grade 9 to $38.00 at grade 10. A grade 10 copy sells for around $38.00, about 33× the $1.16 raw price, so high-grade copies are worth grading.