Dudunsparce #80 from Prismatic Evolutions is a holo rare card that currently sells for about $0.43 ungraded, with graded copies ranging from $15.50 at grade 9 to $39.99 at grade 10. A grade 10 copy sells for around $39.99, about 93× the $0.43 raw price, so high-grade copies are worth grading.