Mandibuzz BREAK #XY182 from XY Black Star Promos is a reverse holo promo card that currently sells for about $4.70 ungraded, with graded copies ranging from $54.50 at grade 9 to $103 at grade 10. A grade 10 copy sells for around $103, about 22× the $4.70 raw price, so high-grade copies are worth grading.