Marill #11 from Southern Islands is a common card that currently sells for about $139 ungraded, with graded copies ranging from $230 at grade 7 to $265 at grade 10. TCGrader's AI has graded 3 copies of Marill (Southern Islands), averaging 7.7 overall. A grade 10 copy sells for around $265 vs $139 raw. That's a modest premium, so grading only pays off for near-perfect copies.