Charizard-GX #SM195 from SM Black Star Promos is a reverse holo promo card that currently sells for about $23.66 ungraded, with graded copies ranging from $21.00 at grade 7 to $290 at grade 10. TCGrader's AI has graded 6 copies of Charizard-GX (SM Black Star Promos), averaging 6.7 overall. A grade 10 copy sells for around $290, about 12× the $23.66 raw price, so high-grade copies are worth grading.