Black Kyurem-EX #101 from Boundaries Crossed is a reverse holo holo_rare card that currently sells for about $3.99 ungraded, with graded copies ranging from $11.00 at grade 7 to $76.00 at grade 10. A grade 10 copy sells for around $76.00, about 19× the $3.99 raw price, so high-grade copies are worth grading.