Team Rocket's Nidoking ex #233 from Destined Rivals is a holo illustration_rare card that currently sells for about $80.25 ungraded, with graded copies ranging from $91.80 at grade 7 to $64.00 at grade 10. TCGrader's AI has graded 7 copies of Team Rocket's Nidoking ex (Destined Rivals), averaging 8.7 overall. 71% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $64.00 vs $80.25 raw. That's a modest premium, so grading only pays off for near-perfect copies.