Sen Triplets #218 from Double Masters is a foil mythic card that currently sells for about $10.70 ungraded, with graded copies ranging from $13.20 at grade 7 to $27.00 at grade 9.5. A grade 9.5 copy sells for around $27.00, about 2.5× the $10.70 raw price, so high-grade copies are worth grading.