White Kyurem-EX #BW63 from BW Black Star Promos is a holo promo card that currently sells for about $4.96 ungraded, with graded copies ranging from $38.88 at grade 9 to $98.16 at grade 10. A grade 10 copy sells for around $98.16, about 20× the $4.96 raw price, so high-grade copies are worth grading.