Terrakion #SM205 from SM Black Star Promos is a reverse holo promo card that currently sells for about $8.32 ungraded, with graded copies ranging from $32.09 at grade 9 to $88.98 at grade 10. A grade 10 copy sells for around $88.98, about 11× the $8.32 raw price, so high-grade copies are worth grading.