Cacturne δ #15 from Crystal Guardians is a holo rare card that currently sells for about $4.64 ungraded, with graded copies ranging from $13.51 at grade 7 to $25.00 at grade 10. A grade 10 copy sells for around $25.00, about 5.4× the $4.64 raw price, so high-grade copies are worth grading.