Flaaffy #56 from Darkness Ablaze is a reverse holo uncommon card that currently sells for about $0.62 ungraded, with graded copies ranging from $10.69 at grade 9 to $31.18 at grade 10. A grade 10 copy sells for around $31.18, about 50× the $0.62 raw price, so high-grade copies are worth grading.