Unown [U] #51 from Neo Discovery is a 1st edition uncommon card that currently sells for about $4.59 ungraded, with graded copies ranging from $19.00 at grade 9 to $99.99 at grade 10. A grade 10 copy sells for around $99.99, about 22× the $4.59 raw price, so high-grade copies are worth grading.