Zacian V-UNION #SWSH166 from SWSH Black Star Promos is a reverse holo promo card that currently sells for about $12.21 ungraded and around $111 at grade 10. TCGrader's AI has graded 5 copies of Zacian V-UNION (SWSH Black Star Promos), averaging 9.2 overall. 100% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $111, about 9.1× the $12.21 raw price, so high-grade copies are worth grading.