Mega Sableye & Tyranitar-GX #226 from Unified Minds is a holo rare card that currently sells for about $335 ungraded, with graded copies ranging from $287 at grade 7 to $3,500 at grade 10. A grade 10 copy sells for around $3,500, about 11× the $335 raw price, so high-grade copies are worth grading.