Chalice of the Void #222 from Masters 25 is a foil mythic card that currently sells for about $15.95 ungraded, with graded copies ranging from $16.00 at grade 7 to $39.95 at grade 10. A grade 10 copy sells for around $39.95, about 2.5× the $15.95 raw price, so high-grade copies are worth grading.