Venusaur & Snivy-GX #SM229 from SM Black Star Promos is a reverse holo promo card that currently sells for about $58.30 ungraded, with graded copies ranging from $38.79 at grade 7 to $250 at grade 10. TCGrader's AI has graded 5 copies of Venusaur & Snivy-GX (SM Black Star Promos), averaging 8.6 overall. 60% scored 9 or higher, so clean copies are common and centering usually decides the top grades. A grade 10 copy sells for around $250, about 4.3× the $58.30 raw price, so high-grade copies are worth grading.