Muk #13 from Fossil is a holo holo_rare card that currently sells for about $6.75 ungraded, with graded copies ranging from $22.00 at grade 7 to $750 at grade 10. TCGrader's AI has graded 11 copies of Muk (Fossil), averaging 7.7 overall. Only 27% scored 9 or higher, so genuinely mint copies of this card are scarce. A grade 10 copy sells for around $750, about 111× the $6.75 raw price, so high-grade copies are worth grading.