Flareon-GX #SM171 from SM Black Star Promos is a reverse holo promo card that currently sells for about $11.69 ungraded, with graded copies ranging from $14.99 at grade 7 to $246 at grade 10. A grade 10 copy sells for around $246, about 21× the $11.69 raw price, so high-grade copies are worth grading.