Deoxys-EX #BW82 from BW Black Star Promos is a reverse holo promo card that currently sells for about $8.08 ungraded, with graded copies ranging from $19.50 at grade 7 to $150 at grade 10. A grade 10 copy sells for around $150, about 19× the $8.08 raw price, so high-grade copies are worth grading.