Mega Dragonite ex #152 from Ascended Heroes is a holo rare card that currently sells for about $4.72 ungraded, with graded copies ranging from $7.50 at grade 7 to $47.00 at grade 10. A grade 10 copy sells for around $47.00, about 10× the $4.72 raw price, so high-grade copies are worth grading.