Misty's Tentacool #32 from Gym Heroes is a holo rare card that currently sells for about $8.00 ungraded, with graded copies ranging from $18.99 at grade 7 to $26.01 at grade 10. A grade 10 copy sells for around $26.01, about 3.3× the $8.00 raw price, so high-grade copies are worth grading.