Hydrapple #188 from Destined Rivals is a reverse holo illustration_rare card that currently sells for about $3.90 ungraded, with graded copies ranging from $8.00 at grade 7 to $69.50 at grade 10. A grade 10 copy sells for around $69.50, about 18× the $3.90 raw price, so high-grade copies are worth grading.