Slowbro #090 from Pitch Black is a holo illustration_rare card that currently sells for about $11.50 ungraded, with graded copies ranging from $48.69 at grade 9 to $73.68 at grade 10. TCGrader's AI has graded 18 copies of Slowbro (Pitch Black), averaging 9 overall. 89% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $73.68, about 6.4× the $11.50 raw price, so high-grade copies are worth grading.