Sigilyph-GX #222 from Lost Thunder is a reverse holo rare card that currently sells for about $8.88 ungraded, with graded copies ranging from $9.00 at grade 7 to $90.00 at grade 10. A grade 10 copy sells for around $90.00, about 10× the $8.88 raw price, so high-grade copies are worth grading.