Noctowl BREAK #XY136 from XY Black Star Promos is a reverse holo promo card that currently sells for about $6.62 ungraded, with graded copies ranging from $49.99 at grade 9 to $88.88 at grade 10. A grade 10 copy sells for around $88.88, about 13× the $6.62 raw price, so high-grade copies are worth grading.