Serperior VSTAR #196 from Silver Tempest is a rare card that currently sells for about $6.47 ungraded, with graded copies ranging from $19.99 at grade 9 to $7.50 at grade 10. A grade 10 copy sells for around $7.50 vs $6.47 raw. That's a modest premium, so grading only pays off for near-perfect copies.