Carvanha #51 from Ruby & Sapphire is a reverse holo common card that currently sells for about $1.01 ungraded, with graded copies ranging from $3.25 at grade 7 to $69.99 at grade 10. A grade 10 copy sells for around $69.99, about 69× the $1.01 raw price, so high-grade copies are worth grading.