Empoleon BREAK #XY134 from XY Black Star Promos is a reverse holo promo card that currently sells for about $7.84 ungraded, with graded copies ranging from $6.00 at grade 7 to $305 at grade 10. A grade 10 copy sells for around $305, about 39× the $7.84 raw price, so high-grade copies are worth grading.