Team Aqua's Muk #8 from Double Crisis is a holo holo_rare card that currently sells for about $2.47 ungraded, with graded copies ranging from $45.95 at grade 9 to $56.00 at grade 10. A grade 10 copy sells for around $56.00, about 23× the $2.47 raw price, so high-grade copies are worth grading.