Chikorita #59 from HeartGold & SoulSilver is a reverse holo common card that currently sells for about $3.65 ungraded, with graded copies ranging from $17.52 at grade 9 to $73.18 at grade 10. A grade 10 copy sells for around $73.18, about 20× the $3.65 raw price, so high-grade copies are worth grading.