Primarina-GX #SM39 from SM Black Star Promos is a reverse holo promo card that currently sells for about $8.34 ungraded, with graded copies ranging from $21.00 at grade 9 to $23.50 at grade 10. A grade 10 copy sells for around $23.50, about 2.8× the $8.34 raw price, so high-grade copies are worth grading.