Misty's Golduck #12 from Gym Challenge is a holo holo_rare card that currently sells for about $40.11 ungraded, with graded copies ranging from $50.00 at grade 7 to $1,210 at grade 10. A grade 10 copy sells for around $1,210, about 30× the $40.11 raw price, so high-grade copies are worth grading.