Shaymin LV.X #DP39 from DP Black Star Promos is a reverse holo promo card that currently sells for about $13.89 ungraded, with graded copies ranging from $39.93 at grade 7 to $296 at grade 10. A grade 10 copy sells for around $296, about 21× the $13.89 raw price, so high-grade copies are worth grading.