Skeledirge ex #34 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $1.49 ungraded, with graded copies ranging from $12.90 at grade 9 to $35.00 at grade 10. A grade 10 copy sells for around $35.00, about 24× the $1.49 raw price, so high-grade copies are worth grading.