TCGrader's AI has graded 12 copies of Umbreon VMAX (Evolving Skies), averaging 7.8 overall. Only 17% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $3,550 vs $2,225 raw. That's a modest premium, so grading only pays off for near-perfect copies.