Gholdengo ex #252 from Paradox Rift is a illustration_rare card that currently sells for about $22.55 ungraded, with graded copies ranging from $17.00 at grade 7 to $85.00 at grade 10. A grade 10 copy sells for around $85.00, about 3.8× the $22.55 raw price, so high-grade copies are worth grading.