Zekrom #64 from Roaring Skies is a reverse holo holo_rare card that currently sells for about $1.49 ungraded, with graded copies ranging from $10.00 at grade 7 to $49.99 at grade 10. A grade 10 copy sells for around $49.99, about 34× the $1.49 raw price, so high-grade copies are worth grading.