Rocket's Zapdos #15 from Celebrations: Classic Collection is a reverse holo common card that currently sells for about $3.25 ungraded, with graded copies ranging from $10.19 at grade 7 to $87.46 at grade 10. A grade 10 copy sells for around $87.46, about 27× the $3.25 raw price, so high-grade copies are worth grading.