Venusaur ex #198 from 151 is a holo illustration_rare card that currently sells for about $106 ungraded, with graded copies ranging from $94.95 at grade 7 to $103 at grade 10. TCGrader's AI has graded 5 copies of Venusaur ex (151), averaging 8.6 overall. 40% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $103 vs $106 raw. That's a modest premium, so grading only pays off for near-perfect copies.