Teal Mask Ogerpon ex #190 from Twilight Masquerade is a ultra_rare card that currently sells for about $5.29 ungraded, with graded copies ranging from $14.50 at grade 7 to $34.00 at grade 10. A grade 10 copy sells for around $34.00, about 6.4× the $5.29 raw price, so high-grade copies are worth grading.