Fuecoco #79 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $3.11 ungraded, with graded copies ranging from $20.50 at grade 9 to $47.89 at grade 10. A grade 10 copy sells for around $47.89, about 15× the $3.11 raw price, so high-grade copies are worth grading.