Team Rocket's Petrel #207 from Ascended Heroes is a reverse holo uncommon card that currently sells for about $1.95 ungraded, with graded copies ranging from $12.53 at grade 9 to $38.82 at grade 10. A grade 10 copy sells for around $38.82, about 20× the $1.95 raw price, so high-grade copies are worth grading.