Mega Latias ex #163 from Mega Evolution is a holo ultra_rare card that currently sells for about $4.99 ungraded, with graded copies ranging from $8.00 at grade 7 to $50.00 at grade 10. A grade 10 copy sells for around $50.00, about 10× the $4.99 raw price, so high-grade copies are worth grading.