White Kyurem #BW59 from BW Black Star Promos is a reverse holo promo card that currently sells for about $10.67 ungraded, with graded copies ranging from $31.00 at grade 9 to $162 at grade 10. A grade 10 copy sells for around $162, about 15× the $10.67 raw price, so high-grade copies are worth grading.