Queen Marchesa #531 from Commander Legends is a etched foil mythic card that currently sells for about $4.18 ungraded, with graded copies ranging from $16.50 at grade 9 to $18.00 at grade 9.5. A grade 9.5 copy sells for around $18.00, about 4.3× the $4.18 raw price, so high-grade copies are worth grading.