Silvally-GX #90 from Crimson Invasion is a holo holo_rare card that currently sells for about $2.30 ungraded, with graded copies ranging from $1.25 at grade 7 to $49.99 at grade 10. A grade 10 copy sells for around $49.99, about 22× the $2.30 raw price, so high-grade copies are worth grading.