Rayquaza-EX #XY69 from XY Black Star Promos is a reverse holo promo card that currently sells for about $39.75 ungraded, with graded copies ranging from $150 at grade 7 to $7,700 at grade 10. TCGrader's AI has graded 10 copies of Rayquaza-EX (XY Black Star Promos), averaging 7.6 overall. A grade 10 copy sells for around $7,700, about 194× the $39.75 raw price, so high-grade copies are worth grading.