Gardevoir ex δ #93 from Dragon Frontiers is a reverse holo holo_rare card that currently sells for about $110 ungraded, with graded copies ranging from $89.99 at grade 7 to $28.24 at grade 10. A grade 10 copy sells for around $28.24 vs $110 raw. That's a modest premium, so grading only pays off for near-perfect copies.