Dark Blastoise #20 from Team Rocket is a 1st edition rare card that currently sells for about $59.17 ungraded, with graded copies ranging from $94.00 at grade 7 to $199 at grade 10. TCGrader's AI has graded 4 copies of Dark Blastoise (Team Rocket), averaging 8.5 overall. 50% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $199, about 3.4× the $59.17 raw price, so high-grade copies are worth grading.