Teal Mask Ogerpon ex #12 from Prismatic Evolutions is a holo rare card that currently sells for about $2.98 ungraded, with graded copies ranging from $17.49 at grade 9 to $28.00 at grade 10. A grade 10 copy sells for around $28.00, about 9.4× the $2.98 raw price, so high-grade copies are worth grading.