Porygon2 #12 from Unseen Forces is a reverse holo holo_rare card that currently sells for about $14.36 ungraded, with graded copies ranging from $14.00 at grade 7 to $123 at grade 10. A grade 10 copy sells for around $123, about 8.5× the $14.36 raw price, so high-grade copies are worth grading.