Misty's Cloyster #29 from Gym Heroes is a 1st edition holo rare card that currently sells for about $13.39 ungraded, with graded copies ranging from $8.52 at grade 7 to $120 at grade 10. A grade 10 copy sells for around $120, about 8.9× the $13.39 raw price, so high-grade copies are worth grading.