Sylveon ex #153 from 30th Celebration is a illustration_rare card that currently sells for about $41.25 ungraded, with graded copies ranging from $128 at grade 9 to $30.00 at grade 10. TCGrader's AI has graded 20 copies of Sylveon ex (30th Celebration), averaging 9.1 overall. 90% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $30.00 vs $41.25 raw. That's a modest premium, so grading only pays off for near-perfect copies.