Incineroar-GX #SM38 from SM Black Star Promos is a reverse holo promo card that currently sells for about $7.57 ungraded, with graded copies ranging from $17.72 at grade 7 to $139 at grade 10. A grade 10 copy sells for around $139, about 18× the $7.57 raw price, so high-grade copies are worth grading.