Magikarp #72 from HeartGold & SoulSilver is a reverse holo common card that currently sells for about $0.89 ungraded, with graded copies ranging from $16.42 at grade 9 to $44.28 at grade 10. A grade 10 copy sells for around $44.28, about 50× the $0.89 raw price, so high-grade copies are worth grading.