Mimikyu #75 from Scarlet & Violet Black Star Promos is a reverse holo promo card that currently sells for about $16.86 ungraded, with graded copies ranging from $15.00 at grade 7 to $137 at grade 10. A grade 10 copy sells for around $137, about 8.1× the $16.86 raw price, so high-grade copies are worth grading.