Misty's Poliwhirl #53 from Gym Heroes is a 1st edition uncommon card that currently sells for about $9.30 ungraded, with graded copies ranging from $6.00 at grade 7 to $180 at grade 10. A grade 10 copy sells for around $180, about 19× the $9.30 raw price, so high-grade copies are worth grading.