Revavroom ex #81 from Shrouded Fable is a holo ultra_rare card that currently sells for about $1.72 ungraded, with graded copies ranging from $9.72 at grade 9 to $34.50 at grade 10. A grade 10 copy sells for around $34.50, about 20× the $1.72 raw price, so high-grade copies are worth grading.