Pikachu #20 from Roaring Skies is a common card that currently sells for about $2.30 ungraded, with graded copies ranging from $21.00 at grade 7 to $1,000 at grade 10. TCGrader's AI has graded 6 copies of Pikachu (Roaring Skies), averaging 8.5 overall. 33% scored 9 or higher, so a strong copy is achievable but far from guaranteed. A grade 10 copy sells for around $1,000, about 435× the $2.30 raw price, so high-grade copies are worth grading.