Glaceon VMAX #208 from Evolving Skies is a reverse holo rare card that currently sells for about $27.07 ungraded, with graded copies ranging from $34.31 at grade 9 to $22.50 at grade 10. A grade 10 copy sells for around $22.50 vs $27.07 raw. That's a modest premium, so grading only pays off for near-perfect copies.