Blissey ex #201 from Twilight Masquerade is a holo ultra_rare card that currently sells for about $4.99 ungraded, with graded copies ranging from $16.75 at grade 9 to $84.97 at grade 10. A grade 10 copy sells for around $84.97, about 17× the $4.99 raw price, so high-grade copies are worth grading.