Rayquaza-GX #160 from Celestial Storm is a holo rare card that currently sells for about $78.78 ungraded, with graded copies ranging from $18.52 at grade 7 to $45.00 at grade 10. A grade 10 copy sells for around $45.00 vs $78.78 raw. That's a modest premium, so grading only pays off for near-perfect copies.