Slowbro #090 from Pitch Black is a holo illustration_rare card that currently sells for about $7.15 ungraded, with graded copies ranging from $10.00 at grade 7 to $121 at grade 10. TCGrader's AI has graded 21 copies of Slowbro (Pitch Black), averaging 9 overall. 86% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $121, about 17× the $7.15 raw price, so high-grade copies are worth grading.