Professor Sada's Vitality #256 from Paradox Rift is a reverse holo illustration_rare card that currently sells for about $9.02 ungraded, with graded copies ranging from $18.04 at grade 9 to $65.00 at grade 10. A grade 10 copy sells for around $65.00, about 7.2× the $9.02 raw price, so high-grade copies are worth grading.