Mega Eelektross ex #278 from Ascended Heroes is a holo illustration_rare card that currently sells for about $26.57 ungraded, with graded copies ranging from $33.87 at grade 9 to $76.00 at grade 10. A grade 10 copy sells for around $76.00, about 2.9× the $26.57 raw price, so high-grade copies are worth grading.