Celebi & Venusaur-GX #SM167 from SM Black Star Promos is a reverse holo promo card that currently sells for about $53.00 ungraded, with graded copies ranging from $52.00 at grade 7 to $360 at grade 10. TCGrader's AI has graded 5 copies of Celebi & Venusaur-GX (SM Black Star Promos), averaging 7.3 overall. A grade 10 copy sells for around $360, about 6.8× the $53.00 raw price, so high-grade copies are worth grading.