Greninja ex #132 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $117 ungraded, with graded copies ranging from $51.94 at grade 7 to $475 at grade 10. A grade 10 copy sells for around $475, about 4.1× the $117 raw price, so high-grade copies are worth grading.