Serperior VSTAR #8 from Silver Tempest is a reverse holo holo_rare card that currently sells for about $1.99 ungraded, with graded copies ranging from $4.00 at grade 7 to $31.46 at grade 10. A grade 10 copy sells for around $31.46, about 16× the $1.99 raw price, so high-grade copies are worth grading.