Crocalor #80 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $2.01 ungraded, with graded copies ranging from $16.80 at grade 9 to $34.98 at grade 10. A grade 10 copy sells for around $34.98, about 17× the $2.01 raw price, so high-grade copies are worth grading.