Tornadus-EX #90 from Dark Explorers is a reverse holo holo_rare card that currently sells for about $7.63 ungraded, with graded copies ranging from $29.17 at grade 9 to $112 at grade 10. A grade 10 copy sells for around $112, about 15× the $7.63 raw price, so high-grade copies are worth grading.