Empoleon #29 from Dark Explorers is a holo holo_rare card that currently sells for about $3.26 ungraded, with graded copies ranging from $7.76 at grade 7 to $60.91 at grade 10. A grade 10 copy sells for around $60.91, about 19× the $3.26 raw price, so high-grade copies are worth grading.