Iron Thorns ex #32 from Prismatic Evolutions is a holo rare card that currently sells for about $1.45 ungraded, with graded copies ranging from $8.51 at grade 9 to $16.50 at grade 10. A grade 10 copy sells for around $16.50, about 11× the $1.45 raw price, so high-grade copies are worth grading.