Artazon #229 from Obsidian Flames is a reverse holo hyper_rare card that currently sells for about $1.92 ungraded, with graded copies ranging from $5.50 at grade 7 to $36.90 at grade 10. A grade 10 copy sells for around $36.90, about 19× the $1.92 raw price, so high-grade copies are worth grading.