Tauros-GX #100 from Sun & Moon is a reverse holo holo_rare card that currently sells for about $2.44 ungraded, with graded copies ranging from $10.00 at grade 7 to $50.00 at grade 10. A grade 10 copy sells for around $50.00, about 21× the $2.44 raw price, so high-grade copies are worth grading.