Jolteon VMAX #51 from Evolving Skies is a reverse holo holo_rare card that currently sells for about $8.21 ungraded, with graded copies ranging from $6.50 at grade 7 to $89.99 at grade 10. A grade 10 copy sells for around $89.99, about 11× the $8.21 raw price, so high-grade copies are worth grading.