Metal Energy #122 from HeartGold & SoulSilver is a common card that currently sells for about $15.08 ungraded, with graded copies ranging from $28.60 at grade 9 to $31.00 at grade 9.5. A grade 9.5 copy sells for around $31.00, about 2.1× the $15.08 raw price, so high-grade copies are worth grading.