Pikachu V #SWSH285 from SWSH Black Star Promos is a reverse holo promo card that currently sells for about $5.49 ungraded, with graded copies ranging from $5.51 at grade 7 to $350 at grade 10. A grade 10 copy sells for around $350, about 64× the $5.49 raw price, so high-grade copies are worth grading.