Drifblim #BW64 from BW Black Star Promos is a reverse holo promo card that currently sells for about $4.72 ungraded, with graded copies ranging from $12.50 at grade 9 to $92.27 at grade 10. A grade 10 copy sells for around $92.27, about 20× the $4.72 raw price, so high-grade copies are worth grading.