Venusaur ex #198 from 151 is a holo illustration_rare card that currently sells for about $86.50 ungraded, with graded copies ranging from $88.00 at grade 7 to $350 at grade 10. TCGrader's AI has graded 8 copies of Venusaur ex (151), averaging 8.7 overall. 50% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $350, about 4× the $86.50 raw price, so high-grade copies are worth grading.