TCGrader's AI has graded 8 copies of Pikachu with Grey Felt Hat (Scarlet & Violet Black Star Promos), averaging 9 overall. 75% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $2,200, about 2.3× the $948 raw price, so high-grade copies are worth grading.