Magcargo #20 from Deoxys is a reverse holo rare card that currently sells for about $2.54 ungraded, with graded copies ranging from $20.00 at grade 7 to $17.49 at grade 10. A grade 10 copy sells for around $17.49, about 6.9× the $2.54 raw price, so high-grade copies are worth grading.