Energy Switch #91 from HeartGold & SoulSilver is a reverse holo uncommon card that currently sells for about $4.00 ungraded, with graded copies ranging from $33.34 at grade 9 to $87.48 at grade 10. A grade 10 copy sells for around $87.48, about 22× the $4.00 raw price, so high-grade copies are worth grading.