Tropical Wind #DP48 from DP Black Star Promos is a reverse holo promo card that currently sells for about $250 ungraded, with graded copies ranging from $311 at grade 7 to $2,088 at grade 9.5. A grade 9.5 copy sells for around $2,088, about 8.4× the $250 raw price, so high-grade copies are worth grading.