Tapu Koko ex #247 from Paradox Rift is a holo illustration_rare card that currently sells for about $19.31 ungraded, with graded copies ranging from $21.00 at grade 7 to $250 at grade 10. A grade 10 copy sells for around $250, about 13× the $19.31 raw price, so high-grade copies are worth grading.