Dragonite ex #159 from Obsidian Flames is a holo rare card that currently sells for about $2.85 ungraded, with graded copies ranging from $1.75 at grade 7 to $78.88 at grade 10. A grade 10 copy sells for around $78.88, about 28× the $2.85 raw price, so high-grade copies are worth grading.