Tyranitar ex #66 from Obsidian Flames is a holo rare card that currently sells for about $1.89 ungraded, with graded copies ranging from $12.00 at grade 9 to $35.00 at grade 10. A grade 10 copy sells for around $35.00, about 19× the $1.89 raw price, so high-grade copies are worth grading.