Kingdra ex δ #94 from Dragon Frontiers is a holo holo_rare card that currently sells for about $29.99 ungraded, with graded copies ranging from $52.76 at grade 7 to $1,525 at grade 10. A grade 10 copy sells for around $1,525, about 51× the $29.99 raw price, so high-grade copies are worth grading.