Magearna-EX #75 from Steam Siege is a reverse holo holo_rare card that currently sells for about $1.84 ungraded, with graded copies ranging from $2.26 at grade 7 to $37.00 at grade 10. A grade 10 copy sells for around $37.00, about 20× the $1.84 raw price, so high-grade copies are worth grading.