Cleffa #80 from Obsidian Flames is a reverse holo common card that currently sells for about $1.45 ungraded, with graded copies ranging from $11.79 at grade 9 to $50.00 at grade 10. A grade 10 copy sells for around $50.00, about 35× the $1.45 raw price, so high-grade copies are worth grading.