Muk #13 from Fossil is a unlimited holo holo_rare card that currently sells for about $4.97 ungraded, with graded copies ranging from $15.50 at grade 7 to $250 at grade 10. TCGrader's AI has graded 7 copies of Muk (Fossil), averaging 8 overall. Only 29% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $250, about 50× the $4.97 raw price, so high-grade copies are worth grading.