Calyrex #17 from Crown Zenith is a holo holo_rare card that currently sells for about $1.73 ungraded, with graded copies ranging from $5.19 at grade 9 to $32.21 at grade 10. A grade 10 copy sells for around $32.21, about 19× the $1.73 raw price, so high-grade copies are worth grading.