Rayquaza-GX #177a from Celestial Storm is a rare card that currently sells for about $173 ungraded, with graded copies ranging from $76.99 at grade 7 to $620 at grade 10. TCGrader's AI has graded 14 copies of Rayquaza-GX (Celestial Storm), averaging 8.1 overall. Only 7% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $620, about 3.6× the $173 raw price, so high-grade copies are worth grading.