Jirachi #119 from Vivid Voltage is a amazing_rare card that currently sells for about $9.99 ungraded, with graded copies ranging from $9.99 at grade 7 to $13.50 at grade 10. A grade 10 copy sells for around $13.50 vs $9.99 raw. That's a modest premium, so grading only pays off for near-perfect copies.