Dudunsparce ex #178 from Journey Together is a ultra_rare card that currently sells for about $2.10 ungraded, with graded copies ranging from $8.80 at grade 7 to $17.01 at grade 10. A grade 10 copy sells for around $17.01, about 8.1× the $2.10 raw price, so high-grade copies are worth grading.