Roaring Moon ex #67 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $1.87 ungraded, with graded copies ranging from $13.00 at grade 9 to $28.00 at grade 10. A grade 10 copy sells for around $28.00, about 15× the $1.87 raw price, so high-grade copies are worth grading.