Mega Zygarde ex #104 from Perfect Order is a holo ultra_rare card that currently sells for about $5.02 ungraded, with graded copies ranging from $17.60 at grade 7 to $40.01 at grade 10. TCGrader's AI has graded 3 copies of Mega Zygarde ex (Perfect Order), averaging 8.5 overall. A grade 10 copy sells for around $40.01, about 8× the $5.02 raw price, so high-grade copies are worth grading.