Mega Lopunny ex #84 from Phantasmal Flames is a rare card that currently sells for about $1.00 ungraded, with graded copies ranging from $2.45 at grade 7 to $18.50 at grade 10. A grade 10 copy sells for around $18.50, about 19× the $1.00 raw price, so high-grade copies are worth grading.