Zekrom-EX #51 from Next Destinies is a reverse holo holo_rare card that currently sells for about $10.00 ungraded, with graded copies ranging from $14.00 at grade 7 to $450 at grade 10. A grade 10 copy sells for around $450, about 45× the $10.00 raw price, so high-grade copies are worth grading.