Kingdra-GX #18 from Dragon Majesty is a holo holo_rare card that currently sells for about $4.27 ungraded, with graded copies ranging from $8.00 at grade 7 to $87.07 at grade 10. A grade 10 copy sells for around $87.07, about 20× the $4.27 raw price, so high-grade copies are worth grading.