Kyogre ex #1 from Nintendo Black Star Promos is a reverse holo promo card that currently sells for about $168 ungraded, with graded copies ranging from $187 at grade 7 to $1,500 at grade 10. TCGrader's AI has graded 3 copies of Kyogre ex (Nintendo Black Star Promos), averaging 8.9 overall. 67% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $1,500, about 8.9× the $168 raw price, so high-grade copies are worth grading.