Blissey #106 from HeartGold & SoulSilver is a reverse holo rare card that currently sells for about $19.72 ungraded, with graded copies ranging from $21.31 at grade 7 to $49.99 at grade 10. A grade 10 copy sells for around $49.99, about 2.5× the $19.72 raw price, so high-grade copies are worth grading.