Teal Mask Ogerpon ex #211 from Twilight Masquerade is a holo illustration_rare card that currently sells for about $19.99 ungraded, with graded copies ranging from $17.20 at grade 7 to $89.00 at grade 10. A grade 10 copy sells for around $89.00, about 4.5× the $19.99 raw price, so high-grade copies are worth grading.