Galarian Slowpoke #SWSH126 from SWSH Black Star Promos is a reverse holo promo card that currently sells for about $9.14 ungraded, with graded copies ranging from $17.74 at grade 7 to $1,301 at grade 10. A grade 10 copy sells for around $1,301, about 142× the $9.14 raw price, so high-grade copies are worth grading.