Tapu Koko ex #247 from Paradox Rift is a holo illustration_rare card that currently sells for about $18.68 ungraded, with graded copies ranging from $20.50 at grade 7 to $153 at grade 10. A grade 10 copy sells for around $153, about 8.2× the $18.68 raw price, so high-grade copies are worth grading.