Teal Mask Ogerpon #123 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $2.37 ungraded, with graded copies ranging from $8.95 at grade 7 to $61.99 at grade 10. A grade 10 copy sells for around $61.99, about 26× the $2.37 raw price, so high-grade copies are worth grading.