Rainbow Energy #104 from HeartGold & SoulSilver is a reverse holo uncommon card that currently sells for about $2.70 ungraded, with graded copies ranging from $12.00 at grade 9 to $62.48 at grade 10. A grade 10 copy sells for around $62.48, about 23× the $2.70 raw price, so high-grade copies are worth grading.