Miraidon ex #79 from Obsidian Flames is a reverse holo rare card that currently sells for about $1.51 ungraded, with graded copies ranging from $17.05 at grade 9 to $26.88 at grade 10. A grade 10 copy sells for around $26.88, about 18× the $1.51 raw price, so high-grade copies are worth grading.