Gouging Fire ex #144 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $1.12 ungraded, with graded copies ranging from $17.87 at grade 9 to $19.38 at grade 10. A grade 10 copy sells for around $19.38, about 17× the $1.12 raw price, so high-grade copies are worth grading.