Latias #SWSH171 from SWSH Black Star Promos is a reverse holo promo card that currently sells for about $6.97 ungraded, with graded copies ranging from $22.00 at grade 9 to $90.00 at grade 10. A grade 10 copy sells for around $90.00, about 13× the $6.97 raw price, so high-grade copies are worth grading.