Mantyke #189 from Paradox Rift is a reverse holo illustration_rare card that currently sells for about $16.83 ungraded, with graded copies ranging from $18.52 at grade 7 to $99.99 at grade 10. A grade 10 copy sells for around $99.99, about 5.9× the $16.83 raw price, so high-grade copies are worth grading.