Lt. Surge's Eevee #51 from Gym Challenge is a uncommon card that currently sells for about $7.25 ungraded, with graded copies ranging from $13.96 at grade 7 to $69.00 at grade 10. A grade 10 copy sells for around $69.00, about 9.5× the $7.25 raw price, so high-grade copies are worth grading.