Pikachu #78 from HeartGold & SoulSilver is a common card that currently sells for about $8.75 ungraded, with graded copies ranging from $49.79 at grade 7 to $1,000 at grade 10. A grade 10 copy sells for around $1,000, about 114× the $8.75 raw price, so high-grade copies are worth grading.