The Tarrasque #333 from Adventures in the Forgotten Realms is a showcase mythic card that currently sells for about $4.50 ungraded, with graded copies ranging from $3.55 at grade 7 to $33.00 at grade 9.5. A grade 9.5 copy sells for around $33.00, about 7.3× the $4.50 raw price, so high-grade copies are worth grading.