Hitmonchan #HGSS24 from HGSS Black Star Promos is a holo promo card that currently sells for about $7.00 ungraded, with graded copies ranging from $12.02 at grade 7 to $131 at grade 10. A grade 10 copy sells for around $131, about 19× the $7.00 raw price, so high-grade copies are worth grading.