Kingdra ex #12 from Shrouded Fable is a holo rare card that currently sells for about $1.61 ungraded, with graded copies ranging from $5.00 at grade 7 to $66.00 at grade 10. A grade 10 copy sells for around $66.00, about 41× the $1.61 raw price, so high-grade copies are worth grading.