Grookey #11 from Shining Fates is a reverse holo common card that currently sells for about $0.08 ungraded, with graded copies ranging from $6.00 at grade 9 to $49.99 at grade 10. A grade 10 copy sells for around $49.99, about 625× the $0.08 raw price, so high-grade copies are worth grading.