Lucario VSTAR #SWSH291 from SWSH Black Star Promos is a reverse holo promo card that currently sells for about $14.99 ungraded, with graded copies ranging from $21.25 at grade 7 to $170 at grade 10. TCGrader's AI has graded 14 copies of Lucario VSTAR (SWSH Black Star Promos), averaging 8.9 overall. 64% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $170, about 11× the $14.99 raw price, so high-grade copies are worth grading.