Night Stretcher #173 from Mega Evolution is a holo ultra_rare card that currently sells for about $5.34 ungraded, with graded copies ranging from $9.99 at grade 7 to $42.00 at grade 10. A grade 10 copy sells for around $42.00, about 7.9× the $5.34 raw price, so high-grade copies are worth grading.