Gouging Fire #151 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $4.82 ungraded, with graded copies ranging from $71.00 at grade 9 to $128 at grade 10. A grade 10 copy sells for around $128, about 27× the $4.82 raw price, so high-grade copies are worth grading.