Miraidon ex #243 from Paldean Fates is a hyper_rare card that currently sells for about $11.95 ungraded, with graded copies ranging from $9.76 at grade 7 to $77.00 at grade 10. A grade 10 copy sells for around $77.00, about 6.4× the $11.95 raw price, so high-grade copies are worth grading.