Tyranitar-GX #121 from Lost Thunder is a holo holo_rare card that currently sells for about $6.65 ungraded, with graded copies ranging from $6.61 at grade 7 to $81.00 at grade 10. A grade 10 copy sells for around $81.00, about 12× the $6.65 raw price, so high-grade copies are worth grading.