Piplup #DP03 from DP Black Star Promos is a reverse holo promo card that currently sells for about $12.07 ungraded, with graded copies ranging from $25.65 at grade 7 to $1,800 at grade 10. A grade 10 copy sells for around $1,800, about 149× the $12.07 raw price, so high-grade copies are worth grading.